{"id":"CVE-2026-95979","aliases":["EUVD-2026-121449","GHSA-hhr9-7pqc-jpr2"],"status":"published","title":"Windows Brokering File System Elevation of Privilege Vulnerability","description":"Use after free in Windows Brokering File System 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":"2026-11-14","score":0.00286,"percentile":0.2139,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-11-10T18:16:10Z","modified":"2026-11-10T21:34:17Z","products":[{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows 11 version 25h2"},{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows 11 version 26h2"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95979","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-95979"},{"url":"https://github.com/advisories/GHSA-hhr9-7pqc-jpr2"}],"sources":{"cve":[{"id":"CVE-2026-95979","title":"Windows Brokering File System Elevation of Privilege Vulnerability","description":"Use after free in Windows Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:16:10.774Z","modified":"2026-11-13T18:05:02.66Z","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":"2026-11-10T19:39:59.74912Z"}],"euvd":[{"id":"EUVD-2026-121449","description":"Use after free in Windows Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:16:10Z","modified":"2026-11-13T18:05:02Z","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":"2026-11-11T00:25:05.012422Z"}],"ghsa":[{"id":"GHSA-hhr9-7pqc-jpr2","title":"Use after free in Windows Brokering File System allows an authorized attacker to elevate...","description":"Use after free in Windows Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T21:34:10Z","modified":"2026-11-10T21:34:17Z","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","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-10T21:57:56.96981Z"}],"nvd":[{"id":"CVE-2026-95979","description":"Use after free in Windows Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T19:21:54.697Z","modified":"2026-11-11T01:17:32.613Z","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":"2026-11-11T07:23:51.286099Z"}]}}