{"id":"CVE-2026-58600","revision":"de25817bb15d4c0da2a28f4c39d976e3","records":[{"revision":"de25817bb15d4c0da2a28f4c39d976e3","observedAt":"2026-11-10T23:21:22.745+00:00","statement":{"source":"cve-program","id":"CVE-2026-58600","aliases":[],"title":"HEVC Video Extensions Elevation of Privilege Vulnerability","description":"Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to elevate privileges locally.","state":0,"publishedAt":"2026-09-08T17:12:19.074+00:00","modifiedAt":"2026-11-10T21:31:04.957+00:00","affected":[{"ecosystem":"Vendor product","name":"HEVC Video Extensions","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"HEVC Video Extensions\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.0.0\",\n                            \"lessThan\": \"2.4.87.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"HEVC Video Extensions for Licensed Applications","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"HEVC Video Extensions for Licensed Applications\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.0.0.0\",\n                            \"lessThan\": \"2.4.85.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"HEVC Video Extensions from Device Manufacturer","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"HEVC Video Extensions from Device Manufacturer\",\n                    \"platforms\": [\n                        \"Windows 10 Version 1809 for 32-bit Systems\",\n                        \"Windows 10 Version 1809 for x64-based Systems\",\n                        \"Windows 10 Version 21H2 for 32-bit Systems\",\n                        \"Windows 10 Version 21H2 for ARM64-based Systems\",\n                        \"Windows 10 Version 21H2 for x64-based Systems\",\n                        \"Windows 10 Version 22H2 for 32-bit Systems\",\n                        \"Windows 10 Version 22H2 for ARM64-based Systems\",\n                        \"Windows 10 Version 22H2 for x64-based Systems\",\n                        \"Windows 11 Version 23H2 for ARM64-based Systems\",\n                        \"Windows 11 Version 23H2 for x64-based Systems\",\n                        \"Windows 11 Version 24H2 for ARM64-based Systems\",\n                        \"Windows 11 Version 24H2 for x64-based Systems\",\n                        \"Windows 11 Version 25H2 for ARM64-based Systems\",\n                        \"Windows 11 Version 25H2 for x64-based Systems\",\n                        \"Windows 11 Version 26H1 for ARM64-based Systems\",\n                        \"Windows 11 version 26H1 for x64-based Systems\",\n                        \"Windows Server 2019\",\n                        \"Windows Server 2019 (Server Core installation)\",\n                        \"Windows Server 2022\",\n                        \"Windows Server 2022 (Server Core installation)\",\n                        \"Windows Server 2025\",\n                        \"Windows Server 2025 (Server Core installation)\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.0.0.0\",\n                            \"lessThan\": \"2.4.86.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","score":7.8,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58600"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-58600","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-58600","identifiers":["CVE-2026-58600"]},"retained":false,"historicalAffected":[]}],"coverage":[]}