CyberICT

CVE-2026-58600

Microsoft · Published September 8, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

HEVC Video Extensions Elevation of Privilege Vulnerability. Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to elevate privileges locally.

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

CVSS 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