What’s Vulnerable › Vulnerabilities
CVE-2026-81352: Web Media Extensions Remote Code Execution Vulnerability
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-08 · updated 2026-10-31
- Weakness: CWE-122
Description
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.
Affected products
- Microsoft Web Media Extensions: before 1.2.42.0; before 2.1.51.0 — fixed in 1.2.42.0, 2.1.51.0
- Microsoft Web Media Extensions: from 1.0.0.0 before 1.2.42.0 — fixed in 1.2.42.0
How to fix
Upgrade to a fixed version: Microsoft Web Media Extensions 1.2.42.0, 2.1.51.0; Microsoft Web Media Extensions 1.2.42.0. Check the vendor advisory for mitigations.
References
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