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CERTFR-2026-AVI-0727
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Microsoft Office. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et une atteinte à la confidentialité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Microsoft | Office | Microsoft Office pour Android | ||
| Microsoft | Office | Microsoft Word 2016 (édition 32 bits) versions antérieures à 16.0.5556.1000 | ||
| Microsoft | Office | Microsoft Office LTSC 2021 pour éditions 64 bits | ||
| Microsoft | Office | Microsoft Excel 2016 (édition 32 bits) versions antérieures à 16.0.5556.1001 | ||
| Microsoft | Office | Microsoft Office 2016 (édition 64 bits) versions antérieures à 16.0.5556.1001 | ||
| Microsoft | Office | Microsoft Office 365 pour Mac | ||
| Microsoft | Office | Microsoft Office LTSC 2021 pour éditions 32 bits | ||
| Microsoft | Office | Microsoft Office 2019 pour éditions 32 bits | ||
| Microsoft | Office | Microsoft Word pour Android | ||
| Microsoft | Office | Microsoft 365 Apps pour Enterprise pour systèmes 64 bits | ||
| Microsoft | Office | Microsoft Office LTSC pour Mac 2024 | ||
| Microsoft | Office | Microsoft Excel pour Android | ||
| Microsoft | Office | Microsoft Office 2019 pour éditions 64 bits | ||
| Microsoft | Office | Microsoft Office LTSC pour Mac 2021 | ||
| Microsoft | Office | Microsoft PowerPoint pour Android | ||
| Microsoft | Office | Microsoft Word 2016 (édition 64 bits) versions antérieures à 16.0.5556.1000 | ||
| Microsoft | Office | Microsoft Office LTSC 2024 pour éditions 64 bits | ||
| Microsoft | Office | Microsoft Office 2016 (édition 32 bits) versions antérieures à 16.0.5556.1001 | ||
| Microsoft | Office | Office Online Server versions antérieures à 16.0.10417.20137 | ||
| Microsoft | Office | Microsoft Office 2016 (édition 64 bits) versions antérieures à 16.0.5556.1005 | ||
| Microsoft | Office | Microsoft Excel 2016 (édition 64 bits) versions antérieures à 16.0.5556.1001 | ||
| Microsoft | Office | Microsoft Office LTSC 2024 pour éditions 32 bits | ||
| Microsoft | Office | Microsoft 365 Apps pour Enterprise pour systèmes 32 bits | ||
| Microsoft | Office | Microsoft Office 2016 (édition 32 bits) versions antérieures à 16.0.5556.1005 |
References
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Microsoft Office pour Android",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Word 2016 (\u00e9dition 32 bits) versions ant\u00e9rieures \u00e0 16.0.5556.1000",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office LTSC 2021 pour \u00e9ditions 64 bits",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Excel 2016 (\u00e9dition 32 bits) versions ant\u00e9rieures \u00e0 16.0.5556.1001",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office 2016 (\u00e9dition 64 bits) versions ant\u00e9rieures \u00e0 16.0.5556.1001",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office 365 pour Mac",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office LTSC 2021 pour \u00e9ditions 32 bits",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office 2019 pour \u00e9ditions 32 bits",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Word pour Android",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft 365 Apps pour Enterprise pour syst\u00e8mes 64 bits",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office LTSC pour Mac 2024",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Excel pour Android",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office 2019 pour \u00e9ditions 64 bits",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office LTSC pour Mac 2021",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft PowerPoint pour Android",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Word 2016 (\u00e9dition 64 bits) versions ant\u00e9rieures \u00e0 16.0.5556.1000",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office LTSC 2024 pour \u00e9ditions 64 bits",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office 2016 (\u00e9dition 32 bits) versions ant\u00e9rieures \u00e0 16.0.5556.1001",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Office Online Server versions ant\u00e9rieures \u00e0 16.0.10417.20137",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office 2016 (\u00e9dition 64 bits) versions ant\u00e9rieures \u00e0 16.0.5556.1005",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Excel 2016 (\u00e9dition 64 bits) versions ant\u00e9rieures \u00e0 16.0.5556.1001",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office LTSC 2024 pour \u00e9ditions 32 bits",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft 365 Apps pour Enterprise pour syst\u00e8mes 32 bits",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Office 2016 (\u00e9dition 32 bits) versions ant\u00e9rieures \u00e0 16.0.5556.1005",
"product": {
"name": "Office",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-45457",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45457"
},
{
"name": "CVE-2026-44803",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44803"
},
{
"name": "CVE-2026-45472",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45472"
},
{
"name": "CVE-2026-45463",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45463"
},
{
"name": "CVE-2026-45645",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45645"
},
{
"name": "CVE-2026-45649",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45649"
},
{
"name": "CVE-2026-44812",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44812"
},
{
"name": "CVE-2026-44822",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44822"
},
{
"name": "CVE-2026-44817",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44817"
},
{
"name": "CVE-2026-45474",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45474"
},
{
"name": "CVE-2026-45643",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45643"
},
{
"name": "CVE-2026-45461",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45461"
},
{
"name": "CVE-2026-44823",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44823"
},
{
"name": "CVE-2026-44820",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44820"
},
{
"name": "CVE-2026-45458",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45458"
},
{
"name": "CVE-2026-44819",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44819"
},
{
"name": "CVE-2026-44821",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44821"
},
{
"name": "CVE-2026-45455",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45455"
},
{
"name": "CVE-2026-45469",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45469"
},
{
"name": "CVE-2026-45485",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45485"
},
{
"name": "CVE-2026-47635",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-47635"
},
{
"name": "CVE-2026-45466",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45466"
},
{
"name": "CVE-2026-45456",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45456"
},
{
"name": "CVE-2026-45486",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45486"
},
{
"name": "CVE-2026-45471",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45471"
},
{
"name": "CVE-2026-45459",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45459"
},
{
"name": "CVE-2026-47293",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-47293"
},
{
"name": "CVE-2026-44824",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44824"
},
{
"name": "CVE-2026-44818",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44818"
},
{
"name": "CVE-2026-45460",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45460"
},
{
"name": "CVE-2026-45475",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45475"
}
],
"initial_release_date": "2026-06-10T00:00:00",
"last_revision_date": "2026-06-10T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0727",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-06-10T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Microsoft Office. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, une \u00e9l\u00e9vation de privil\u00e8ges et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Microsoft Office",
"vendor_advisories": [
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45471",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45471"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45643",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45643"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44817",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44817"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44824",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44824"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45461",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45461"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44821",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44821"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45469",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45469"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45485",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45485"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45460",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45460"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45475",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45475"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45645",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45645"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45463",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45463"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44820",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44820"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44819",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44819"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45456",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45456"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-47293",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47293"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45472",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45472"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45457",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45457"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45455",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45455"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-47635",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47635"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45649",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45649"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44812",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44812"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45459",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45459"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45486",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45486"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45474",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45474"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44818",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44818"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44803",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44803"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44822",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44822"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45458",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45458"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-45466",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45466"
},
{
"published_at": "2026-06-09",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-44823",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44823"
}
]
}
CVE-2026-45645 (GCVE-0-2026-45645)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-822 - Untrusted Pointer Dereference
Summary
Heap-based buffer overflow in Microsoft Office 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-2026-45645",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-10T03:56:33.223813Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-10T10:27:20.496Z",
"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 2016",
"vendor": "Microsoft",
"versions": [
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CVE-2026-44822 (GCVE-0-2026-44822)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-16 18:18
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 |
||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-45456 (GCVE-0-2026-45456)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
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 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 |
||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-45466 (GCVE-0-2026-45466)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Word 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 |
|||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||
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CVE-2026-47635 (GCVE-0-2026-47635)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Microsoft | Microsoft Office LTSC 2024 |
Version: 16.0.0 < https://aka.ms/OfficeSecurityReleases |
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CVE-2026-44817 (GCVE-0-2026-44817)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Summary
Integer underflow (wrap or wraparound) 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 |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-44818 (GCVE-0-2026-44818)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Summary
Integer underflow (wrap or wraparound) 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 |
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|
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CVE-2026-45458 (GCVE-0-2026-45458)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Access of resource using incompatible type ('type confusion') in Microsoft Office 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 |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-45475 (GCVE-0-2026-45475)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office 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 |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-44823 (GCVE-0-2026-44823)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Integer underflow (wrap or wraparound) 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 |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-45461 (GCVE-0-2026-45461)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Heap-based buffer overflow in Microsoft Office 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 |
||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-45459 (GCVE-0-2026-45459)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-16 18:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-693 - Protection Mechanism Failure
Summary
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
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CVE-2026-44812 (GCVE-0-2026-44812)
Vulnerability from cvelistv5
Published
2026-06-09 17:06
Modified
2026-06-16 18:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft Excel for Android |
Version: - |
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CVE-2026-45469 (GCVE-0-2026-45469)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
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CVE-2026-45455 (GCVE-0-2026-45455)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-16 18:18
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 |
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-45460 (GCVE-0-2026-45460)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-126 - Buffer Over-read
Summary
Out-of-bounds read in Microsoft Office 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 |
|||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||
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CVE-2026-45649 (GCVE-0-2026-45649)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-284 - Improper Access Control
Summary
Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft Excel for Android |
Version: - |
||||||||||||
|
||||||||||||||
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CVE-2026-45471 (GCVE-0-2026-45471)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Word 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 |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-45463 (GCVE-0-2026-45463)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-16 18:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Heap-based buffer overflow in Microsoft Office 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 |
||||||||||||||||||||||||||||||||||||||||||
|
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CVE-2026-45457 (GCVE-0-2026-45457)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-16 18:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Untrusted pointer dereference in Microsoft Office Word 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 |
|||||||||||||||||
|
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CVE-2026-45486 (GCVE-0-2026-45486)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Untrusted pointer dereference in Microsoft Office Word 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 |
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|
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CVE-2026-45643 (GCVE-0-2026-45643)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Word 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 |
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CVE-2026-47293 (GCVE-0-2026-47293)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-16 18:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
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CVE-2026-45472 (GCVE-0-2026-45472)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
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CVE-2026-45485 (GCVE-0-2026-45485)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office 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 |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-44821 (GCVE-0-2026-44821)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds read in Microsoft Office 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 |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-44824 (GCVE-0-2026-44824)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office 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 |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-44803 (GCVE-0-2026-44803)
Vulnerability from cvelistv5
Published
2026-06-09 17:06
Modified
2026-06-16 18:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft Excel for Android |
Version: - |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-44819 (GCVE-0-2026-44819)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office 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 |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
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CVE-2026-45474 (GCVE-0-2026-45474)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Heap-based buffer overflow in Microsoft Office 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 |
||||||||||||||||||||||||||||||||||||||||||
|
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CVE-2026-44820 (GCVE-0-2026-44820)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-16 18:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Integer underflow (wrap or wraparound) 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 |
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]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-16T18:17:17.233Z",
"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-2026-44820"
}
],
"title": "Microsoft Excel Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-44820",
"datePublished": "2026-06-09T17:04:33.519Z",
"dateReserved": "2026-05-07T20:07:18.272Z",
"dateUpdated": "2026-06-16T18:17:17.233Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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