{"id":"CVE-2026-103554","aliases":["EUVD-2026-100380","GHSA-f85h-xx7x-9chj"],"status":"published","title":"Windows Broadcast DVR User Service Elevation of Privilege Vulnerability","description":"Use after free in Windows Broadcast DVR User Service 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":"2026-11-11","score":0.00279,"percentile":0.20637,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-10-13T19:01:35Z","modified":"2026-11-10T20:46:27Z","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 11 version 26h2"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (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_11_26h2"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-103554","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103554"},{"url":"https://github.com/advisories/GHSA-f85h-xx7x-9chj"}],"sources":{"cve":[{"id":"CVE-2026-103554","title":"Windows Broadcast DVR User Service Elevation of Privilege Vulnerability","description":"Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:01:35.679Z","modified":"2026-11-10T20:46:27.231Z","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-416"],"updated_at":"2026-11-10T22:18:24.949973Z"}],"euvd":[{"id":"EUVD-2026-100380","description":"Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:01:35Z","modified":"2026-11-10T20:46:27Z","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":"2026-11-10T22:23:55.776344Z"}],"ghsa":[{"id":"GHSA-f85h-xx7x-9chj","title":"Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate...","description":"Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:33:01Z","modified":"2026-10-13T21:33:01Z","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-416"],"updated_at":"2026-11-02T15:13:12.661896Z"}],"nvd":[{"id":"CVE-2026-103554","description":"Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:17:51.903Z","modified":"2026-10-26T16:31:52.127Z","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-416"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}