{"id":"CVE-2026-108400","aliases":[],"title":"HEVC Video Extensions Remote Code Execution Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","products":[{"vendor":"Microsoft","name":"HEVC Video Extensions","platforms":[],"versions":[{"version":"1.0.0","status":"affected","lessThan":"2.4.87.0","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-108400"},{"vendor":"Microsoft","name":"HEVC Video Extensions for Licensed Applications","platforms":[],"versions":[{"version":"2.0.0.0","status":"affected","lessThan":"2.4.85.0","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-108400"},{"vendor":"Microsoft","name":"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","status":"affected","lessThan":"2.5.25.0","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-108400"}],"remediation":[],"description":"Integer overflow or wraparound in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.","severity":"high","score":8.8,"published":"2026-10-13T18:59:24.362Z","modified":"2026-10-28T18:08:51.166Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108400"],"sources":[{"name":"CVE","id":"CVE-2026-108400","modified":"2026-10-28T18:08:51.166Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-108400"}],"assessments":[{"source":"microsoft","vector":"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","score":8.8}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T22:30:31.386Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}