{"id":"CVE-2025-53141","aliases":["EUVD-2025-24326","GHSA-cc99-f964-7cfg"],"status":"published","title":"Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability","description":"Null pointer dereference in Windows Ancillary Function Driver for WinSock 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":0.00437,"percentile":0.38304,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2025-08-12T17:10:15Z","modified":"2026-06-17T09:37:41Z","products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 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installation)"},{"vendor":"microsoft","product":"windows_10_1507"},{"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_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2022_23h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53141","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53141"},{"url":"https://github.com/advisories/GHSA-cc99-f964-7cfg"}],"sources":{"cve":[{"id":"CVE-2025-53141","title":"Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability","description":"Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-08-12T17:10:15.957Z","modified":"2026-02-13T18:54:31.442Z","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":"2026-11-02T14:32:49.503917Z"}],"euvd":[{"id":"EUVD-2025-24326","description":"Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges 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locally.","status":"published","published":"2025-08-12T18:15:38.247Z","modified":"2026-06-17T09:37:41.31Z","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":"2026-11-02T14:11:22.953396Z"}]}}