CVE-2026-84854 (GCVE-0-2026-84854)
Vulnerability from cvelistv5
Published
2026-10-06 09:59
Modified
2026-10-15 01:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-787 - Out-of-bounds write
Summary
In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of a kernel buffer could cause small amounts of data to be written outside the intended kernel buffer. This can lead to a system crash. Under unfavorable circumstances, adjacent kernel memory may be modified.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| wibu-systems-ag | wibukey |
Version: 0 < 6.72 |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-84854",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-06T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-07T03:55:20.771Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"affected": [
{
"defaultStatus": "unknown",
"product": "PSS(R)SINCAL V21.5",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "PSS(R)SINCAL V22.0",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "PSS(R)SINCAL V22.5",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V22.5 Update 5",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-15T01:24:02.611Z",
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-148322.html"
}
],
"x_adpType": "supplier"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://www.wibu.com/products/wibukey.html",
"defaultStatus": "unaffected",
"product": "wibukey",
"vendor": "wibu-systems-ag",
"versions": [
{
"lessThan": "6.72",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:wibu-systems-ag:wibukey:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.72",
"versionStartIncluding": "0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "\uc815\uae30\ud604(haro001)"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of a kernel buffer could cause small amounts of data to be written outside the intended kernel buffer. This can lead to a system crash. Under\u0026nbsp;unfavorable circumstances, adjacent kernel memory may be modified."
}
],
"value": "In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of a kernel buffer could cause small amounts of data to be written outside the intended kernel buffer. This can lead to a system crash. Under\u00a0unfavorable circumstances, adjacent kernel memory may be modified."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787 Out-of-bounds write",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-06T09:59:33.393Z",
"orgId": "2fc02b1f-71e7-4514-a878-169626f68903",
"shortName": "wibu"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-100065.pdf"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Out of Bound Write on WibuKey for Windows",
"x_generator": {
"engine": "Vulnogram 1.0.0-beta"
}
}
},
"cveMetadata": {
"assignerOrgId": "2fc02b1f-71e7-4514-a878-169626f68903",
"assignerShortName": "wibu",
"cveId": "CVE-2026-84854",
"datePublished": "2026-10-06T09:59:33.393Z",
"dateReserved": "2026-09-02T13:16:24.763Z",
"dateUpdated": "2026-10-15T01:24:02.611Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-84854\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-06T11:10:33.824135Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-06T11:11:00.981Z\"}}], \"cna\": {\"title\": \"Out of Bound Write on WibuKey for Windows\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"\\uc815\\uae30\\ud604(haro001)\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"wibu-systems-ag\", \"product\": \"wibukey\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"6.72\", \"versionType\": \"custom\"}], \"collectionURL\": \"https://www.wibu.com/products/wibukey.html\", \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-100065.pdf\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.0-beta\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of a kernel buffer could cause small amounts of data to be written outside the intended kernel buffer. This can lead to a system crash. Under\\u00a0unfavorable circumstances, adjacent kernel memory may be modified.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of a kernel buffer could cause small amounts of data to be written outside the intended kernel buffer. This can lead to a system crash. Under\u0026nbsp;unfavorable circumstances, adjacent kernel memory may be modified.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds write\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:wibu-systems-ag:wibukey:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.72\", \"versionStartIncluding\": \"0\"}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"2fc02b1f-71e7-4514-a878-169626f68903\", \"shortName\": \"wibu\", \"dateUpdated\": \"2026-10-06T09:59:33.393Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-84854\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-06T11:12:24.889Z\", \"dateReserved\": \"2026-09-02T13:16:24.763Z\", \"assignerOrgId\": \"2fc02b1f-71e7-4514-a878-169626f68903\", \"datePublished\": \"2026-10-06T09:59:33.393Z\", \"assignerShortName\": \"wibu\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
Loading…
Loading…