{"id":"CVE-2026-85907","aliases":["EUVD-2026-121524","GHSA-fh36-r43j-r3v7"],"status":"published","title":"Windows Simple Search and Discovery Protocol (SSDP) Service Elevation of Privilege Vulnerability","description":"Improper authentication in Windows SSDP Service allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.00245,"percentile":0.15872,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2026-11-10T18:16:51Z","modified":"2026-11-10T21:34:04Z","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-2026-85907","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85907"},{"url":"https://github.com/advisories/GHSA-fh36-r43j-r3v7"}],"sources":{"cve":[{"id":"CVE-2026-85907","title":"Windows Simple Search and Discovery Protocol (SSDP) Service Elevation of Privilege Vulnerability","description":"Improper authentication in Windows SSDP Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:16:51.279Z","modified":"2026-11-13T18:05:41.963Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-522"],"updated_at":"2026-11-10T19:39:59.74912Z"}],"euvd":[{"id":"EUVD-2026-121524","description":"Improper authentication in Windows SSDP Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:16:51Z","modified":"2026-11-13T18:05:41Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-11T00:25:04.513391Z"}],"ghsa":[{"id":"GHSA-fh36-r43j-r3v7","title":"Improper authentication in Windows SSDP Service allows an authorized attacker to elevate...","description":"Improper authentication in Windows SSDP Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T21:33:57Z","modified":"2026-11-10T21:34:04Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-522"],"updated_at":"2026-11-10T21:57:56.197754Z"}],"nvd":[{"id":"CVE-2026-85907","description":"Improper authentication in Windows SSDP Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T19:21:26.06Z","modified":"2026-11-11T01:17:21.08Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-522"],"updated_at":"2026-11-11T07:23:51.286099Z"}]}}