CVE-2026-83517
CriticalCVSS 9.8Summary
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
Risk Assessment
An attacker can remotely execute code, potentially leading to system compromise or data integrity violation.
Recommendation
Install the latest security updates for Windows Media Foundation and restrict access to media services.
Other vulnerabilities in Microsoft Windows Media Foundation
See all- CVE-2026-85814Critical
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
- CVE-2026-69408Critical
Integer overflow or wraparound in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
- CVE-2026-69601High
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
- CVE-2026-62744High
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
- CVE-2026-62706High
Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
- CVE-2026-56189High
A heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
- CVE-2021-42276High
Remote code execution vulnerability in Microsoft Windows Media Foundation. An attacker could exploit it to run arbitrary code on the affected system.
- CVE-2021-34441High
Remote code execution vulnerability in Microsoft Windows Media Foundation. Could allow an attacker to execute code via a specially crafted media file.
- CVE-2021-34503High
Remote code execution vulnerability in Microsoft Windows Media Foundation. An attacker could exploit this flaw to execute code on the victim's system.
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

