CVE-2026-108400

{"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": "2026-11-10T20:33:18.853Z"}, "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": "2026-11-10T20:33:18.853Z"}, "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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "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"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T22:14:08.759Z"}}], "cna": {"title": "HEVC Video Extensions Remote Code Execution Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 8.8, "baseSeverity": "HIGH", "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"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": "HEVC Video Extensions", "versions": [{"status": "affected", "version": "1.0.0", "lessThan": "2.4.87.0", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "HEVC Video Extensions for Licensed Applications", "versions": [{"status": "affected", "version": "2.0.0.0", "lessThan": "2.4.85.0", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "HEVC Video Extensions from Device Manufacturer", "versions": [{"status": "affected", "version": "2.0.0.0", "lessThan": "2.5.25.0", "versionType": "custom"}], "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)"]}], "datePublic": "2026-10-13T14:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108400", "name": "HEVC Video Extensions Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en-US", "value": "Integer overflow or wraparound in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-190", "description": "CWE-190: Integer Overflow or Wraparound"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:hevc_video_extensions_from_device_manufacturer:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.5.25.0", "versionStartIncluding": "2.0.0.0"}, {"criteria": "cpe:2.3:a:microsoft:hevc_video_extensions_for_licensed_appplications:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.4.85.0", "versionStartIncluding": "2.0.0.0"}, {"criteria": "cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.4.87.0", "versionStartIncluding": "1.0.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-11-10T20:33:18.853Z"}}}, "cveMetadata": {"cveId": "CVE-2026-108400", "state": "PUBLISHED", "dateUpdated": "2026-11-10T20:33:18.853Z", "dateReserved": "2026-10-09T21:52:56.474Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2026-10-13T18:59:24.362Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "HEVC Video Extensions", "vendor": "Microsoft", "versions": [{"lessThan": "2.4.87.0", "status": "affected", "version": "1.0.0", "versionType": "custom"}]}, {"product": "HEVC Video Extensions for Licensed Applications", "vendor": "Microsoft", "versions": [{"lessThan": "2.4.85.0", "status": "affected", "version": "2.0.0.0", "versionType": "custom"}]}, {"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)"], "product": "HEVC Video Extensions from Device Manufacturer", "vendor": "Microsoft", "versions": [{"lessThan": "2.5.25.0", "status": "affected", "version": "2.0.0.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Integer overflow or wraparound in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network."}], "id": "CVE-2026-108400", "lastModified": "2026-10-13T23:17:30.400", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-108400", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-13T22:10:22.226494Z", "version": "2.0.3"}}]}, "published": "2026-10-13T19:18:05.300", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108400"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[1.0.0,2.4.87.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "HEVC Video Extensions", "source": "cna", "vendor": "Microsoft"}, "product": "hevc_video_extensions", "vendor": "microsoft"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[2.0.0.0,2.4.85.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "HEVC Video Extensions for Licensed Applications", "source": "cna", "vendor": "Microsoft"}, "product": "hevc_video_extensions_for_licensed_applications", "vendor": "microsoft"}, {"configurations": [{"platform": ["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)"], "status": "affected", "versions": {"scheme": "generic", "value": "[2.0.0.0,2.5.25.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "HEVC Video Extensions from Device Manufacturer", "source": "cna", "vendor": "Microsoft"}, "product": "hevc_video_extensions_from_device_manufacturer", "vendor": "microsoft"}], "created": "2026-10-15T11:30:17.892821+00:00", "updated": "2026-10-17T06:00:04.208489+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$hevc_video_extensions", "microsoft$PRODUCT$hevc_video_extensions_for_licensed_applications", "microsoft$PRODUCT$hevc_video_extensions_from_device_manufacturer"]}