CyberICT

CVE-2026-81352

Microsoft · Published September 8, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Web Media Extensions Remote Code Execution Vulnerability. Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.

Affected Products

  • Web Media Extensions on Windows 10 Version 21H2 for 32-bit Systems
  • Web Media Extensions on Windows 10 Version 21H2 for ARM64-based Systems
  • Web Media Extensions on Windows 10 Version 21H2 for x64-based Systems
  • Web Media Extensions on Windows 10 Version 22H2 for x64-based Systems

CVSS 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