{"id":"CVE-2026-69882","aliases":["EUVD-2026-99290","GHSA-m455-vvcm-23g6"],"status":"published","title":"Windows Update Elevation of Privilege Vulnerability","description":"Untrusted search path in Windows Update 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":"2026-11-09","score":0.00584,"percentile":0.48206,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-426"],"published":"2026-10-13T18:59:45Z","modified":"2026-10-31T18:02:34Z","products":[{"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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_11_26h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69882","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69882"},{"url":"https://github.com/advisories/GHSA-m455-vvcm-23g6"}],"sources":{"cve":[{"id":"CVE-2026-69882","title":"Windows Update Elevation of Privilege Vulnerability","description":"Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T18:59:45.595Z","modified":"2026-10-31T18:02:34.436Z","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-426"],"updated_at":"2026-11-02T13:50:27.582139Z"}],"euvd":[{"id":"EUVD-2026-99290","description":"Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T18:59:45Z","modified":"2026-10-31T18:02:34Z","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"}],"updated_at":"2026-11-02T16:58:55.158701Z"}],"ghsa":[{"id":"GHSA-m455-vvcm-23g6","title":"Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally.","description":"Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:33:52Z","modified":"2026-10-13T21:33:57Z","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"}],"cwes":["CWE-426"],"updated_at":"2026-11-02T15:13:13.94868Z"}],"nvd":[{"id":"CVE-2026-69882","description":"Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:19:01.027Z","modified":"2026-10-19T13:19:32.04Z","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-426"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}