{"id":"CVE-2026-83771","aliases":["EUVD-2026-99990","GHSA-g8c9-rqmv-hf57"],"status":"published","title":"Windows Camera Frame Server Monitor Elevation of Privilege Vulnerability","description":"Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate privileges over an adjacent network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/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":0.00608,"percentile":0.49569,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-10-13T19:00:54Z","modified":"2026-11-10T20:42:32Z","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 2022"},{"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_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83771","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83771"},{"url":"https://github.com/advisories/GHSA-g8c9-rqmv-hf57"}],"sources":{"cve":[{"id":"CVE-2026-83771","title":"Windows Camera Frame Server Monitor Elevation of Privilege Vulnerability","description":"Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate privileges over an adjacent network.","status":"published","published":"2026-10-13T19:00:54.72Z","modified":"2026-11-10T20:42:32.21Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/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":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-99990","description":"Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate privileges over an adjacent network.","status":"published","published":"2026-10-13T19:00:54Z","modified":"2026-11-10T20:42:32Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:57.623557Z"}],"ghsa":[{"id":"GHSA-g8c9-rqmv-hf57","title":"Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate...","description":"Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate privileges over an adjacent network.","status":"published","published":"2026-10-13T21:34:50Z","modified":"2026-10-13T21:34:51Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:13:16.842321Z"}],"nvd":[{"id":"CVE-2026-83771","description":"Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate privileges over an adjacent network.","status":"published","published":"2026-10-13T19:20:25.61Z","modified":"2026-11-02T13:04:12.963Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T20:51:41.611955Z"}]}}