{"id":"CVE-2026-102208","aliases":["EUVD-2026-100362","GHSA-9553-388w-pff3"],"status":"published","title":"Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability","description":"Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00289,"percentile":0.21697,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-10-13T19:01:34Z","modified":"2026-11-10T20:46:17Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102208","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102208"},{"url":"https://github.com/advisories/GHSA-9553-388w-pff3"}],"sources":{"cve":[{"id":"CVE-2026-102208","title":"Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability","description":"Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:01:34.187Z","modified":"2026-11-10T20:46:17.655Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-10T22:18:24.949973Z"}],"euvd":[{"id":"EUVD-2026-100362","description":"Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:01:34Z","modified":"2026-11-10T20:46:17Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:55.776344Z"}],"ghsa":[{"id":"GHSA-9553-388w-pff3","title":"Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate...","description":"Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:32:46Z","modified":"2026-10-13T21:32:46Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:13:12.661896Z"}],"nvd":[{"id":"CVE-2026-102208","description":"Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:17:46.23Z","modified":"2026-10-20T18:24:10.37Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}