CVE-2026-69511
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk55th percentile - higher than 55% of all known CVEs
Summary
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
Risk Assessment
An attacker could remotely execute malicious code in the context of applications using Media Foundation, potentially compromising data security.
Recommendation
Apply security patches for Windows Media Foundation and avoid playing untrusted media files.
Other vulnerabilities in Windows Media Foundation
See all- CVE-2020-1136High
Memory corruption vulnerability in Windows Media Foundation due to improper handling of objects in memory. An attacker could install programs, view/change/delete data, or create new accounts with full user rights.
- CVE-2020-1126High
Memory corruption vulnerability in Windows Media Foundation when improperly handling objects in memory. An attacker could exploit this vulnerability to install programs, view, change, or delete data, or create new accounts with full user rights.
- CVE-2020-1028High
Memory corruption vulnerability in Windows Media Foundation due to improper handling of objects in memory. An attacker could install programs, view/change/delete data, or create new accounts with full user rights.
- CVE-2026-69386High
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
- CVE-2026-57094High
Heap-based buffer overflow vulnerability in Windows Media Foundation. An unauthorized attacker can remotely execute code.
- CVE-2026-57090High
Heap-based buffer overflow vulnerability in Windows Media Foundation. An unauthorized attacker can remotely execute code.
- CVE-2026-57087High
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
- CVE-2026-58610High
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
- CVE-2026-54993High
A heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
- CVE-2021-34439High
Remote code execution vulnerability in Microsoft Windows Media Foundation. An attacker could exploit this vulnerability to execute code in the context of the logged-on user.
Original NVD description (English source)
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

