{"id":"CVE-2026-105533","aliases":["EUVD-2026-122030","GHSA-2w3c-5xph-q4mg"],"status":"published","title":"Windows COM Elevation of Privilege Vulnerability","description":"Release of invalid pointer or reference in Windows COM allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/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":0.00258,"percentile":0.17581,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-763"],"published":"2026-11-10T18:19:44Z","modified":"2026-11-10T21:32:22Z","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-2026-105533","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105533"},{"url":"https://github.com/advisories/GHSA-2w3c-5xph-q4mg"}],"sources":{"cve":[{"id":"CVE-2026-105533","title":"Windows COM Elevation of Privilege Vulnerability","description":"Release of invalid pointer or reference in Windows COM allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:19:44.53Z","modified":"2026-11-13T18:08:34.286Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-763","CWE-122"],"updated_at":"2026-11-10T19:39:57.855077Z"}],"euvd":[{"id":"EUVD-2026-122030","description":"Release of invalid pointer or reference in Windows COM allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:19:44Z","modified":"2026-11-13T18:08:34Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T23:24:26.602648Z"}],"ghsa":[{"id":"GHSA-2w3c-5xph-q4mg","title":"Release of invalid pointer or reference in Windows COM allows an authorized attacker to elevate...","description":"Release of invalid pointer or reference in Windows COM allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T21:32:21Z","modified":"2026-11-10T21:32:22Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-10T21:57:47.623655Z"}],"nvd":[{"id":"CVE-2026-105533","description":"Release of invalid pointer or reference in Windows COM allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T19:17:53.923Z","modified":"2026-11-10T21:17:43.613Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122","CWE-763"],"updated_at":"2026-11-11T00:21:53.860815Z"}]}}