Refine your search
151 vulnerabilities found for Office Online Server by Microsoft
CVE-2026-68817 (GCVE-0-2026-68817)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-08-29 16:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-121 - Stack-based Buffer Overflow
Summary
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68817",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-07T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T03:57:45.106Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "CWE-121: Stack-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:24:50.661Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68817"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68817",
"datePublished": "2026-08-11T17:07:10.082Z",
"dateReserved": "2026-07-31T16:41:44.244Z",
"dateUpdated": "2026-08-29T16:24:50.661Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68814 (GCVE-0-2026-68814)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-08-29 16:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68814",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-07T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T03:57:43.968Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:24:50.057Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68814"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68814",
"datePublished": "2026-08-11T17:07:09.552Z",
"dateReserved": "2026-07-31T16:41:44.243Z",
"dateUpdated": "2026-08-29T16:24:50.057Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68812 (GCVE-0-2026-68812)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-08-29 16:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68812",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-07T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T03:57:42.865Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:24:49.596Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68812"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68812",
"datePublished": "2026-08-11T17:07:08.933Z",
"dateReserved": "2026-07-31T16:41:44.243Z",
"dateUpdated": "2026-08-29T16:24:49.596Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68805 (GCVE-0-2026-68805)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-08-29 16:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68805",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:42.541289Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:18.717Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:24:49.073Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68805"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68805",
"datePublished": "2026-08-11T17:07:08.300Z",
"dateReserved": "2026-07-31T16:41:44.242Z",
"dateUpdated": "2026-08-29T16:24:49.073Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68804 (GCVE-0-2026-68804)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-08-29 16:24
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68804",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-07T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T03:57:47.470Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-197",
"description": "CWE-197: Numeric Truncation Error",
"lang": "en-US",
"type": "CWE"
},
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:24:48.619Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68804"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68804",
"datePublished": "2026-08-11T17:07:07.683Z",
"dateReserved": "2026-07-31T16:41:44.242Z",
"dateUpdated": "2026-08-29T16:24:48.619Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68803 (GCVE-0-2026-68803)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-08-29 16:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Summary
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68803",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:38.219116Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:19.201Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Access of resource using incompatible type (\u0027type confusion\u0027) in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-843",
"description": "CWE-843: Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:24:48.023Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68803"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68803",
"datePublished": "2026-08-11T17:07:07.134Z",
"dateReserved": "2026-07-31T16:41:44.242Z",
"dateUpdated": "2026-08-29T16:24:48.023Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68801 (GCVE-0-2026-68801)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-08-29 16:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68801",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-07T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T03:57:46.193Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:24:47.551Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68801"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68801",
"datePublished": "2026-08-11T17:07:06.513Z",
"dateReserved": "2026-07-31T16:41:44.242Z",
"dateUpdated": "2026-08-29T16:24:47.551Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68799 (GCVE-0-2026-68799)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-08-29 16:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-908 - Use of Uninitialized Resource
Summary
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68799",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-11T20:37:47.390264Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-11T20:51:20.211Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-908",
"description": "CWE-908: Use of Uninitialized Resource",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:24:47.021Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Information Disclosure Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68799"
}
],
"title": "Microsoft Excel Information Disclosure Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68799",
"datePublished": "2026-08-11T17:07:05.960Z",
"dateReserved": "2026-07-31T16:33:08.216Z",
"dateUpdated": "2026-08-29T16:24:47.021Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68797 (GCVE-0-2026-68797)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-08-29 16:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68797",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-11T21:00:06.738030Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-11T21:06:12.881Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:24:45.941Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Information Disclosure Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68797"
}
],
"title": "Microsoft Excel Information Disclosure Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68797",
"datePublished": "2026-08-11T17:07:04.789Z",
"dateReserved": "2026-07-31T16:33:08.216Z",
"dateUpdated": "2026-08-29T16:24:45.941Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-70328 (GCVE-0-2026-70328)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-70328",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T13:14:37.188334Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:15:10.953Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:53.822Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Information Disclosure Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70328"
}
],
"title": "Microsoft Excel Information Disclosure Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-70328",
"datePublished": "2026-08-11T17:05:29.981Z",
"dateReserved": "2026-08-04T00:01:20.934Z",
"dateUpdated": "2026-08-29T16:22:53.822Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-70327 (GCVE-0-2026-70327)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-70327",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T15:42:27.349837Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T15:42:36.209Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:52.793Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Information Disclosure Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70327"
}
],
"title": "Microsoft Excel Information Disclosure Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-70327",
"datePublished": "2026-08-11T17:05:29.496Z",
"dateReserved": "2026-08-04T00:01:20.934Z",
"dateUpdated": "2026-08-29T16:22:52.793Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68816 (GCVE-0-2026-68816)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-121 - Stack-based Buffer Overflow
Summary
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68816",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:59.071095Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:17.660Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "CWE-121: Stack-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:38.664Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68816"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68816",
"datePublished": "2026-08-11T17:05:14.928Z",
"dateReserved": "2026-07-31T16:41:44.243Z",
"dateUpdated": "2026-08-29T16:22:38.664Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68815 (GCVE-0-2026-68815)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68815",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:58.010423Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:17.802Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:38.125Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68815"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68815",
"datePublished": "2026-08-11T17:05:14.318Z",
"dateReserved": "2026-07-31T16:41:44.243Z",
"dateUpdated": "2026-08-29T16:22:38.125Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68811 (GCVE-0-2026-68811)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Summary
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68811",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:49.442403Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:18.567Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Access of resource using incompatible type (\u0027type confusion\u0027) in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-843",
"description": "CWE-843: Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:37.094Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68811"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68811",
"datePublished": "2026-08-11T17:05:13.297Z",
"dateReserved": "2026-07-31T16:41:44.243Z",
"dateUpdated": "2026-08-29T16:22:37.094Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68810 (GCVE-0-2026-68810)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68810",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:40.388480Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:18.878Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-822",
"description": "CWE-822: Untrusted Pointer Dereference",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:36.620Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68810"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68810",
"datePublished": "2026-08-11T17:05:12.744Z",
"dateReserved": "2026-07-31T16:41:44.243Z",
"dateUpdated": "2026-08-29T16:22:36.620Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68808 (GCVE-0-2026-68808)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68808",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-11T21:01:30.487056Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-11T21:06:11.521Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:34.626Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Information Disclosure Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68808"
}
],
"title": "Microsoft Excel Information Disclosure Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68808",
"datePublished": "2026-08-11T17:05:11.666Z",
"dateReserved": "2026-07-31T16:41:44.243Z",
"dateUpdated": "2026-08-29T16:22:34.626Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68806 (GCVE-0-2026-68806)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-787 - Out-of-bounds Write
Summary
Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68806",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:51.555822Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:18.264Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787: Out-of-bounds Write",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:34.109Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68806"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68806",
"datePublished": "2026-08-11T17:05:11.043Z",
"dateReserved": "2026-07-31T16:41:44.242Z",
"dateUpdated": "2026-08-29T16:22:34.109Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68807 (GCVE-0-2026-68807)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68807",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-07T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T03:57:51.861Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:33.398Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68807"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68807",
"datePublished": "2026-08-11T17:05:10.581Z",
"dateReserved": "2026-07-31T16:41:44.243Z",
"dateUpdated": "2026-08-29T16:22:33.398Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68802 (GCVE-0-2026-68802)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68802",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-11T19:24:05.700538Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-11T19:24:20.420Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:32.891Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Information Disclosure Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68802"
}
],
"title": "Microsoft Excel Information Disclosure Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68802",
"datePublished": "2026-08-11T17:05:10.031Z",
"dateReserved": "2026-07-31T16:41:44.242Z",
"dateUpdated": "2026-08-29T16:22:32.891Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68800 (GCVE-0-2026-68800)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68800",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:50.491088Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:18.418Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:32.452Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68800"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68800",
"datePublished": "2026-08-11T17:05:09.400Z",
"dateReserved": "2026-07-31T16:33:08.216Z",
"dateUpdated": "2026-08-29T16:22:32.452Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68796 (GCVE-0-2026-68796)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68796",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:56.936917Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:17.959Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:31.855Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68796"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68796",
"datePublished": "2026-08-11T17:05:08.944Z",
"dateReserved": "2026-07-31T16:33:08.216Z",
"dateUpdated": "2026-08-29T16:22:31.855Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68795 (GCVE-0-2026-68795)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-121 - Stack-based Buffer Overflow
Summary
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68795",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:55.871288Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:18.119Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "CWE-121: Stack-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:31.408Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68795"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68795",
"datePublished": "2026-08-11T17:05:08.341Z",
"dateReserved": "2026-07-31T16:33:08.216Z",
"dateUpdated": "2026-08-29T16:22:31.408Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68794 (GCVE-0-2026-68794)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68794",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-07T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T03:57:54.050Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:30.888Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68794"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68794",
"datePublished": "2026-08-11T17:05:07.863Z",
"dateReserved": "2026-07-31T16:33:08.216Z",
"dateUpdated": "2026-08-29T16:22:30.888Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-68793 (GCVE-0-2026-68793)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-68793",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-07T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T03:57:52.953Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:30.383Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68793"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-68793",
"datePublished": "2026-08-11T17:05:07.305Z",
"dateReserved": "2026-07-31T16:33:08.216Z",
"dateUpdated": "2026-08-29T16:22:30.383Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-65807 (GCVE-0-2026-65807)
Vulnerability from cvelistv5
Published
2026-08-11 17:05
Modified
2026-08-29 16:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Summary
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-65807",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-12T03:57:39.297595Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T13:42:19.040Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5565.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.112.26081010",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.112.26081010",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5565.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-08-11T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Access of resource using incompatible type (\u0027type confusion\u0027) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-843",
"description": "CWE-843: Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-29T16:22:26.996Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65807"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-65807",
"datePublished": "2026-08-11T17:05:03.354Z",
"dateReserved": "2026-07-22T21:36:47.630Z",
"dateUpdated": "2026-08-29T16:22:26.996Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-55949 (GCVE-0-2026-55949)
Vulnerability from cvelistv5
Published
2026-07-14 17:09
Modified
2026-08-28 17:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-908 - Use of Uninitialized Resource
Summary
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-55949",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-15T03:56:08.802577Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-15T11:14:22.103Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5561.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5561.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-07-14T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-908",
"description": "CWE-908: Use of Uninitialized Resource",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T17:55:11.278Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55949"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-55949",
"datePublished": "2026-07-14T17:09:12.118Z",
"dateReserved": "2026-06-17T17:37:17.983Z",
"dateUpdated": "2026-08-28T17:55:11.278Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-55947 (GCVE-0-2026-55947)
Vulnerability from cvelistv5
Published
2026-07-14 17:09
Modified
2026-08-28 17:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-55947",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-15T03:56:09.556646Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-15T11:14:08.884Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5561.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5561.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-07-14T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T17:55:10.538Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55947"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-55947",
"datePublished": "2026-07-14T17:09:11.650Z",
"dateReserved": "2026-06-17T17:37:17.983Z",
"dateUpdated": "2026-08-28T17:55:10.538Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-55898 (GCVE-0-2026-55898)
Vulnerability from cvelistv5
Published
2026-07-14 17:09
Modified
2026-08-28 17:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-55898",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-14T18:30:58.088318Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-14T18:31:08.843Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5561.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5561.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-07-14T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T17:55:09.302Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Information Disclosure Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55898"
}
],
"title": "Microsoft Excel Information Disclosure Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-55898",
"datePublished": "2026-07-14T17:09:10.387Z",
"dateReserved": "2026-06-17T17:36:34.621Z",
"dateUpdated": "2026-08-28T17:55:09.302Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-54131 (GCVE-0-2026-54131)
Vulnerability from cvelistv5
Published
2026-07-14 17:09
Modified
2026-08-28 17:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
|||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-54131",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-15T03:56:10.352991Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-15T11:13:53.110Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-07-14T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416: Use After Free",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T17:55:08.661Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54131"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-54131",
"datePublished": "2026-07-14T17:09:09.828Z",
"dateReserved": "2026-06-11T20:33:37.837Z",
"dateUpdated": "2026-08-28T17:55:08.661Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-55131 (GCVE-0-2026-55131)
Vulnerability from cvelistv5
Published
2026-07-14 17:08
Modified
2026-08-28 17:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-55131",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-15T03:56:15.546157Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-15T11:12:42.916Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft 365 Apps for Enterprise",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Excel 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5561.1001",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office 365 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"product": "Microsoft Office LTSC for Mac 2024",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.111.26071215",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"product": "Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10417.20175",
"status": "affected",
"version": "16.0.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*",
"versionEndExcluding": "16.0.10417.20175",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*",
"versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
"versionEndExcluding": "16.111.26071215",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "16.0.5561.1001",
"versionStartIncluding": "16.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-07-14T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T17:54:51.791Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft Excel Remote Code Execution Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55131"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-55131",
"datePublished": "2026-07-14T17:08:57.748Z",
"dateReserved": "2026-06-16T15:03:49.681Z",
"dateUpdated": "2026-08-28T17:54:51.791Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}