{"id":"CVE-2026-83901","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-83901","generatedAt":"2026-10-27T23:09:56.398Z","title":"Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.","description":"Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.","published":"2026-10-13T19:20:44.000Z","lastModified":"2026-10-16T16:21:44.000Z","status":"Awaiting Analysis","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":7,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":[],"epss":{"score":0.00307,"percentile":0.2328,"date":"2026-10-26","history":[{"date":"2026-10-14","score":0.0027,"percentile":0.1786}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-13T19:20:44.000Z","detail":{"score":"7.0","severity":"HIGH","publishedAt":"2026-10-13T19:20:44.220Z"},"summary":"New CVE, high severity (CVSS 7.0)."}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83901","source":"secure@microsoft.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-83901","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}