{"id":"CVE-2026-25167","aliases":["EUVD-2026-10630","GHSA-8j2m-8498-hmgh"],"status":"published","title":"Microsoft Brokering File System Elevation of Privilege Vulnerability","description":"Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/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":0.00341,"percentile":0.27893,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-03-10T17:04:49Z","modified":"2026-06-19T18:17:34Z","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 server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25167","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25167"},{"url":"https://github.com/advisories/GHSA-8j2m-8498-hmgh"}],"sources":{"cve":[{"id":"CVE-2026-25167","title":"Microsoft Brokering File System Elevation of Privilege Vulnerability","description":"Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T17:04:49.076Z","modified":"2026-06-19T18:17:34.45Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/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":"2026-11-02T13:41:19.694734Z"}],"euvd":[{"id":"EUVD-2026-10630","description":"Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T17:04:49Z","modified":"2026-06-19T18:17:34Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:20:35.844489Z"}],"ghsa":[{"id":"GHSA-8j2m-8498-hmgh","title":"Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate...","description":"Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T18:31:20Z","modified":"2026-03-10T18:31:26Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:06:32.599326Z"}],"nvd":[{"id":"CVE-2026-25167","description":"Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T18:18:30.227Z","modified":"2026-06-17T10:24:13.273Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:08.279852Z"}]}}