{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-108400","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","state":"PUBLISHED","assignerShortName":"microsoft","dateReserved":"2026-10-09T21:52:56.474Z","datePublished":"2026-10-13T18:59:24.362Z","dateUpdated":"2026-10-31T18:00:14.672Z"},"containers":{"cna":{"title":"HEVC Video Extensions Remote Code Execution Vulnerability","datePublic":"2026-10-13T14:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:hevc_video_extensions_from_device_manufacturer:*:*:*:*:*:*:*:*","versionStartIncluding":"2.0.0.0","versionEndExcluding":"2.5.25.0"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:hevc_video_extensions_for_licensed_appplications:*:*:*:*:*:*:*:*","versionStartIncluding":"2.0.0.0","versionEndExcluding":"2.4.85.0"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0.0","versionEndExcluding":"2.4.87.0"}]}]}],"affected":[{"vendor":"Microsoft","product":"HEVC Video Extensions","versions":[{"version":"1.0.0","lessThan":"2.4.87.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"HEVC Video Extensions for Licensed Applications","versions":[{"version":"2.0.0.0","lessThan":"2.4.85.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"HEVC Video Extensions from Device Manufacturer","platforms":["Windows 10 Version 1809 for 32-bit Systems","Windows 10 Version 1809 for x64-based Systems","Windows 10 Version 21H2 for 32-bit Systems","Windows 10 Version 21H2 for ARM64-based Systems","Windows 10 Version 21H2 for x64-based Systems","Windows 10 Version 22H2 for 32-bit Systems","Windows 10 Version 22H2 for ARM64-based Systems","Windows 10 Version 22H2 for x64-based Systems","Windows 11 Version 23H2 for ARM64-based Systems","Windows 11 Version 23H2 for x64-based Systems","Windows 11 Version 24H2 for ARM64-based Systems","Windows 11 Version 24H2 for x64-based Systems","Windows 11 Version 25H2 for ARM64-based Systems","Windows 11 Version 25H2 for x64-based Systems","Windows 11 Version 26H1 for ARM64-based Systems","Windows 11 version 26H1 for x64-based Systems","Windows Server 2019","Windows Server 2019 (Server Core installation)","Windows Server 2022","Windows Server 2022 (Server Core installation)","Windows Server 2025","Windows Server 2025 (Server Core installation)"],"versions":[{"version":"2.0.0.0","lessThan":"2.5.25.0","versionType":"custom","status":"affected"}]}],"descriptions":[{"value":"Integer overflow or wraparound in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.","lang":"en-US"}],"problemTypes":[{"descriptions":[{"description":"CWE-190: Integer Overflow or Wraparound","lang":"en-US","type":"CWE","cweId":"CWE-190"}]}],"providerMetadata":{"orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft","dateUpdated":"2026-10-31T18:00:14.672Z"},"references":[{"name":"HEVC Video Extensions Remote Code Execution Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108400"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-108400","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-13T22:10:22.226494Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-13T22:16:37.446Z"}}]}}