{"id":"CVE-2026-70195","aliases":["EUVD-2026-99193","GHSA-84pc-r9xh-9hgc"],"status":"published","title":"Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability","description":"Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0026,"percentile":0.17801,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362","CWE-416"],"published":"2026-10-13T18:59:40Z","modified":"2026-11-10T20:35:26Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"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 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 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Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70195"},{"url":"https://github.com/advisories/GHSA-84pc-r9xh-9hgc"}],"sources":{"cve":[{"id":"CVE-2026-70195","title":"Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability","description":"Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T18:59:40.836Z","modified":"2026-11-10T20:35:26.368Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-416","CWE-362"],"updated_at":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-99193","description":"Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information 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locally.","status":"published","published":"2026-10-13T19:19:33.493Z","modified":"2026-10-28T12:36:35.343Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-362","CWE-416"],"updated_at":"2026-11-02T14:12:57.603498Z"}]}}