CVE Catalog

CVE-2026-100220

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
0.84%

57th percentile - higher than 57% of all known CVEs

Summary

A heap-based buffer overflow in the Windows Media Video Decoder allows an unauthorized attacker to execute code over a network.

Risk Assessment

An unauthenticated attacker could remotely execute arbitrary code in the context of the decoder process, potentially leading to full compromise of the victim's system.

Recommendation

Install updates for the Windows Media Video Decoder as soon as possible and avoid opening untrusted media files.

Related vulnerabilities

Original NVD description (English source)

Heap-based buffer overflow in Windows Media Video Decoder allows an unauthorized attacker to execute code over a network.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS