CVE-2026-54993
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk27th percentile - higher than 27% of all known CVEs
Summary
A heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
Risk Assessment
An attacker could gain full control of the system, leading to data theft, malware installation, or further privilege escalation.
Recommendation
Immediately install the security update released by Microsoft for the vulnerable Windows Media Foundation component.
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-2026-57094High
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-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.
- CVE-2021-26881High
Microsoft Windows Media Foundation Remote Code Execution Vulnerability. An attacker could exploit this vulnerability to execute arbitrary code remotely on the victim's system.
- CVE-2020-1150High
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.
Original NVD description (English source)
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.