{"id":"CVE-2025-49677","aliases":["EUVD-2025-20639","GHSA-69q2-qmcc-6rh3"],"status":"published","title":"Microsoft Brokering File System Elevation of Privilege Vulnerability","description":"Use after free in Microsoft 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":"2026-11-10","score":0.01118,"percentile":0.66385,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-416"],"published":"2025-07-08T16:57:13Z","modified":"2026-06-17T09:31:40Z","exploits":[{"source":"exploitdb","id":"EDB-52360","title":"Microsoft Brokering File System Windows 11 Version 22H2 - Elevation of Privilege","type":"local","platform":"windows","date":"2025-07-16","url":"https://www.exploit-db.com/exploits/52360"}],"products":[{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows_11_22h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49677","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49677"},{"url":"https://github.com/advisories/GHSA-69q2-qmcc-6rh3"}],"sources":{"cve":[{"id":"CVE-2025-49677","title":"Microsoft Brokering File System Elevation of Privilege Vulnerability","description":"Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T16:57:13.262Z","modified":"2026-02-13T19:06:48.841Z","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":"2026-11-02T14:32:24.825718Z"}],"euvd":[{"id":"EUVD-2025-20639","description":"Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T16:57:13Z","modified":"2026-02-13T19:06:48Z","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":"2026-11-02T19:48:39.538725Z"}],"ghsa":[{"id":"GHSA-69q2-qmcc-6rh3","title":"Use after free in Microsoft Brokering File System allows an authorized attacker to elevate...","description":"Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T18:31:46Z","modified":"2025-07-08T18:31:47Z","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":"2026-11-02T15:02:56.619633Z"}],"nvd":[{"id":"CVE-2025-49677","description":"Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T17:15:52.257Z","modified":"2026-06-17T09:31:40.823Z","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":"2026-11-02T14:11:17.727956Z"}]}}