{"id":"CVE-2026-119929","aliases":["EUVD-2026-122425","GHSA-vxrj-2m8q-h3g9"],"status":"published","title":"Windows Installer Elevation of Privilege Vulnerability","description":"Use after free in Windows Installer 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":"2026-11-14","score":0.00388,"percentile":0.33476,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-11-10T18:23:29Z","modified":"2026-11-10T21:33:43Z","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-2026-119929","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119929"},{"url":"https://github.com/advisories/GHSA-vxrj-2m8q-h3g9"}],"sources":{"cve":[{"id":"CVE-2026-119929","title":"Windows Installer Elevation of Privilege Vulnerability","description":"Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:23:29.103Z","modified":"2026-11-13T18:12:10.551Z","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-416"],"updated_at":"2026-11-10T19:39:58.973959Z"}],"euvd":[{"id":"EUVD-2026-122425","description":"Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:23:29Z","modified":"2026-11-13T18:12:10Z","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":"2026-11-11T00:25:03.169314Z"}],"ghsa":[{"id":"GHSA-vxrj-2m8q-h3g9","title":"Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.","description":"Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T21:33:36Z","modified":"2026-11-10T21:33:43Z","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-416"],"updated_at":"2026-11-10T21:57:54.561479Z"}],"nvd":[{"id":"CVE-2026-119929","description":"Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T19:20:14.683Z","modified":"2026-11-10T19:20:14.803Z","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":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-10T22:21:32.984056Z"}]}}