CVE-2026-81352CriticalCVSS 8.8

Web Media Extensions Remote Code Execution Vulnerability

Published
September 11, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-81352 →

📋 Description

Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.

🎯 Affected products14

  • 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 32-bit Systems
  • Web Media Extensions on Windows 10 Version 22H2 for ARM64-based Systems
  • Web Media Extensions on Windows 10 Version 22H2 for x64-based Systems
  • Web Media Extensions on Windows 11 Version 23H2 for ARM64-based Systems
  • Web Media Extensions on Windows 11 Version 23H2 for x64-based Systems
  • Web Media Extensions on Windows 11 Version 24H2 for ARM64-based Systems
  • Web Media Extensions on Windows 11 Version 24H2 for x64-based Systems
  • Web Media Extensions on Windows 11 Version 25H2 for ARM64-based Systems
  • Web Media Extensions on Windows 11 Version 25H2 for x64-based Systems
  • Web Media Extensions on Windows 11 Version 26H1 for ARM64-based Systems
  • Web Media Extensions on Windows 11 version 26H1 for x64-based Systems

✅ Remediation

KBRelease Notes (Security Update) — fixed build 1.2.42.0 KBRelease Notes (Security Update) — fixed build 2.1.51.0

🔗 References (2)