{"id":"CVE-2026-69874","aliases":["EUVD-2026-73637","GHSA-6hh7-h956-4q53"],"status":"published","title":"Windows ALPC Elevation of Privilege Vulnerability","description":"Untrusted pointer dereference in Windows ALPC allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00291,"percentile":0.21972,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-822"],"published":"2026-09-08T17:16:49Z","modified":"2026-11-10T21:35:53Z","products":[{"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 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)"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"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_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69874","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69874"},{"url":"https://github.com/advisories/GHSA-6hh7-h956-4q53"}],"sources":{"cve":[{"id":"CVE-2026-69874","title":"Windows ALPC Elevation of Privilege Vulnerability","description":"Untrusted pointer dereference in Windows ALPC allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-09-08T17:16:49.981Z","modified":"2026-11-10T21:35:53.3Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-822"],"updated_at":"2026-11-10T22:48:53.006191Z"}],"euvd":[{"id":"EUVD-2026-73637","description":"Untrusted pointer dereference in Windows ALPC allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-09-08T17:16:49Z","modified":"2026-11-10T21:35:53Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:47.576985Z"}],"ghsa":[{"id":"GHSA-6hh7-h956-4q53","title":"Untrusted pointer dereference in Windows ALPC allows an authorized attacker to elevate privileges...","description":"Untrusted pointer dereference in Windows ALPC allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-09-08T18:33:03Z","modified":"2026-09-08T18:33:10Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T15:11:32.262918Z"}],"nvd":[{"id":"CVE-2026-69874","description":"Untrusted pointer dereference in Windows ALPC allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-09-08T18:19:58.087Z","modified":"2026-09-16T17:47:24.007Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T14:12:44.840742Z"}]}}