HIGH 7.8 Microsoft
CVE-2026-58599
HEVC Video Extensions Remote Code Execution Vulnerability
Microsoft Security Update 2026-Sep: HEVC Video Extensions Remote Code Execution Vulnerability
Affected Products
- HEVC Video Extensions
- HEVC Video Extensions for Licensed Applications
- HEVC Video Extensions from Device Manufacturer on Windows 10 Version 1809 for 32-bit Systems
- HEVC Video Extensions from Device Manufacturer on Windows 10 Version 1809 for x64-based Systems
- HEVC Video Extensions from Device Manufacturer on Windows Server 2019
- HEVC Video Extensions from Device Manufacturer on Windows Server 2019 (Server Core installation)
- HEVC Video Extensions from Device Manufacturer on Windows Server 2022
- HEVC Video Extensions from Device Manufacturer on Windows Server 2022 (Server Core installation)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58599
- https://nvd.nist.gov/vuln/detail/CVE-2026-58599
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-09-08 via Microsoft. Affected: HEVC Video Extensions, HEVC Video Extensions for Licensed Applications, HEVC Video Extensions from Device Manufacturer on Windows 10 Version 1809 for 32-bit Systems and 5 more.
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