{"id":"CVE-2026-97799","title":"Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.","summary":"Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-347"],"vendor":"microsoft","product":"windows_11_24h2","affected":["windows_11_24h2 < 10.0.26100.9711","windows_11_25h2 < 10.0.26200.9711","windows_11_26h1 < 10.0.28000.3231","windows_11_26h2 < 10.0.26300.9711"],"patched":["windows_11_24h2 10.0.26100.9711","windows_11_25h2 10.0.26200.9711","windows_11_26h1 10.0.28000.3231","windows_11_26h2 10.0.26300.9711"],"published":"2026-10-13","updated":"2026-10-16","sourceUpdated":"2026-10-16T10:40:35.857","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97799","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97799","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00325,"epssPercentile":0.25423,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-13T21:58:32.450423Z"},"ingestedAt":"2026-10-13T19:43:29.307Z","slug":"CVE-2026-97799","body":"## Overview\n\nImproper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.\n\n## Affected\n\n- `windows_11_24h2 < 10.0.26100.9711`\n- `windows_11_25h2 < 10.0.26200.9711`\n- `windows_11_26h1 < 10.0.28000.3231`\n- `windows_11_26h2 < 10.0.26300.9711`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_11_24h2 10.0.26100.9711`\n- `windows_11_25h2 10.0.26200.9711`\n- `windows_11_26h1 10.0.28000.3231`\n- `windows_11_26h2 10.0.26300.9711`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}