{"id":"CVE-2026-97799","aliases":["EUVD-2026-100401","GHSA-xwxp-p8cr-2wjq"],"status":"published","title":"Windows Audio Service Elevation of Privilege Vulnerability","description":"Improper verification of cryptographic signature in Windows Audio Service 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":"2026-11-09","score":0.00325,"percentile":0.25762,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-10-13T19:01:37Z","modified":"2026-10-31T18:12:55Z","products":[{"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_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_11_26h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97799","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97799"},{"url":"https://github.com/advisories/GHSA-xwxp-p8cr-2wjq"}],"sources":{"cve":[{"id":"CVE-2026-97799","title":"Windows Audio Service Elevation of Privilege Vulnerability","description":"Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:01:37.401Z","modified":"2026-10-31T18:12:55.18Z","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-347"],"updated_at":"2026-11-02T13:44:18.366073Z"}],"euvd":[{"id":"EUVD-2026-100401","description":"Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:01:37Z","modified":"2026-10-31T18:12:55Z","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":"2026-11-02T16:58:50.546379Z"}],"ghsa":[{"id":"GHSA-xwxp-p8cr-2wjq","title":"Improper verification of cryptographic signature in Windows Audio Service allows an authorized...","description":"Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:37:15Z","modified":"2026-10-13T21:37:22Z","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-347"],"updated_at":"2026-11-02T15:13:20.971444Z"}],"nvd":[{"id":"CVE-2026-97799","description":"Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:22:17.78Z","modified":"2026-10-16T10:40:35.857Z","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":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:58.630796Z"}]}}