{"id":"CVE-2026-122169","aliases":["EUVD-2026-122492","GHSA-wh57-7qjw-9m54"],"status":"published","title":"Windows IKE Extension Spoofing Vulnerability","description":"Insufficient granularity of access control in Windows IKE Extension allows an authorized attacker to perform spoofing locally.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1220"],"published":"2026-11-10T18:24:06Z","modified":"2026-11-10T21:33:48Z","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 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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122169","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122169"},{"url":"https://github.com/advisories/GHSA-wh57-7qjw-9m54"}],"sources":{"cve":[{"id":"CVE-2026-122169","title":"Windows IKE Extension Spoofing Vulnerability","description":"Insufficient granularity of access control in Windows IKE Extension allows an authorized attacker to perform spoofing locally.","status":"published","published":"2026-11-10T18:24:06.041Z","modified":"2026-11-10T19:44:21.679Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-1220"],"updated_at":"2026-11-10T19:39:58.973959Z"}],"euvd":[{"id":"EUVD-2026-122492","description":"Insufficient granularity of access control in Windows IKE Extension allows an authorized attacker to perform spoofing locally.","status":"published","published":"2026-11-10T18:24:06Z","modified":"2026-11-10T19:44:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T19:22:07.605308Z"}],"ghsa":[{"id":"GHSA-wh57-7qjw-9m54","title":"Insufficient granularity of access control in Windows IKE Extension allows an authorized attacker...","description":"Insufficient granularity of access control in Windows IKE Extension allows an authorized attacker to perform spoofing locally.","status":"published","published":"2026-11-10T21:33:46Z","modified":"2026-11-10T21:33:48Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-1220"],"updated_at":"2026-11-10T21:57:54.561479Z"}],"nvd":[{"id":"CVE-2026-122169","description":"Insufficient granularity of access control in Windows IKE Extension allows an authorized attacker to perform spoofing locally.","status":"published","published":"2026-11-10T19:20:34.17Z","modified":"2026-11-10T19:20:34.287Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-1220"],"updated_at":"2026-11-10T22:21:33.392456Z"}]}}