{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-81579","assignerOrgId":"2fc02b1f-71e7-4514-a878-169626f68903","state":"PUBLISHED","assignerShortName":"wibu","dateReserved":"2026-08-27T07:34:49.654Z","datePublished":"2026-08-27T07:42:28.626Z","dateUpdated":"2026-08-28T03:55:30.936Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://www.wibu.com/products/wibukey.html","defaultStatus":"unaffected","product":"wibukey","vendor":"wibu-systems-ag","versions":[{"lessThan":"6.71","status":"affected","version":"0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:wibu-systems-ag:wibukey:*:*:*:*:*:*:*:*","versionEndExcluding":"6.71","versionStartIncluding":"0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"credits":[{"lang":"en","type":"reporter","value":"김명규 working with Trend Micro Zero Day Initiative"}],"datePublic":"2025-11-12T09:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"In WibuKey for Windows before version 6.71, an untrusted pointer dereference in the WibuKey2_64.sys kernel driver for 64-bit Windows allows an attacker to exploit a write-what-where primitive, enabling local privilege escalation. This can be leveraged to execute arbitrary code, run an administrator shell, or gain full control over the system."}],"value":"In WibuKey for Windows before version 6.71, an untrusted pointer dereference in the WibuKey2_64.sys kernel driver for 64-bit Windows allows an attacker to exploit a write-what-where primitive, enabling local privilege escalation. This can be leveraged to execute arbitrary code, run an administrator shell, or gain full control over the system."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-123","description":"CWE-123 Write-what-where condition","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"2fc02b1f-71e7-4514-a878-169626f68903","shortName":"wibu","dateUpdated":"2026-08-27T08:49:17.321Z"},"references":[{"tags":["vendor-advisory"],"url":"https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-100031.pdf"}],"source":{"discovery":"EXTERNAL"},"title":"An untrusted Pointer Dereference can be exploited to escalate privileges by an unprivileged user on Windows","x_generator":{"engine":"Vulnogram 1.0.0-beta"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-81579"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-28T03:55:30.936Z"}}]}}