{"id":"CVE-2025-49694","aliases":["EUVD-2025-20633","GHSA-4pc5-fm55-ff6g"],"status":"published","title":"Microsoft Brokering File System Elevation of Privilege Vulnerability","description":"Null pointer dereference in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/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":"2026-11-10","score":0.0043,"percentile":0.37531,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2025-07-08T16:57:17Z","modified":"2026-06-17T09:31:44Z","products":[{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows server 2022, 23h2 edition (server core installation)"},{"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_server_2022_23h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49694","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49694"},{"url":"https://github.com/advisories/GHSA-4pc5-fm55-ff6g"}],"sources":{"cve":[{"id":"CVE-2025-49694","title":"Microsoft Brokering File System Elevation of Privilege Vulnerability","description":"Null pointer dereference in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T16:57:17.263Z","modified":"2026-02-13T19:06:53.066Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:32:24.825718Z"}],"euvd":[{"id":"EUVD-2025-20633","description":"Null pointer dereference in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T16:57:17Z","modified":"2026-02-13T19:06:53Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:39.538725Z"}],"ghsa":[{"id":"GHSA-4pc5-fm55-ff6g","title":"Null pointer dereference in Microsoft Brokering File System allows an authorized attacker to...","description":"Null pointer dereference in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T18:31:47Z","modified":"2025-07-08T18:31:58Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:02:57.125914Z"}],"nvd":[{"id":"CVE-2025-49694","description":"Null pointer dereference in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T17:15:55.503Z","modified":"2026-06-17T09:31:44.623Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:11:17.727956Z"}]}}