CVE-2021-33740
HighCVSS 7.8Exploitation Probability (EPSS)
High risk84th percentile - higher than 84% of all known CVEs
Summary
A vulnerability in Windows Media allows remote code execution (RCE).
Risk Assessment
An attacker could execute malicious code on the victim's machine, potentially leading to system compromise.
Recommendation
Install Windows security updates.
Other vulnerabilities in Windows Media
See all- CVE-2026-96071High
A heap-based buffer overflow vulnerability in Windows Media allows an unauthenticated attacker to execute code remotely over a network. The flaw occurs due to buffer overflow on the heap during media processing.
- CVE-2026-83650High
Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges locally.
- CVE-2026-83641High
Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges locally.
- CVE-2026-69891High
Use after free in Windows Media allows an authorized attacker to elevate privileges locally.
- CVE-2026-58542High
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
- CVE-2026-50677High
Use-after-free vulnerability in Windows Media allows an authorized attacker to elevate privileges locally.
- CVE-2026-50676High
Race condition vulnerability in Windows Media allows an authorized attacker to elevate privileges locally.
- CVE-2026-50655High
Windows Media contains a heap-based buffer overflow vulnerability that allows an unauthorized attacker to execute code locally.
- CVE-2026-50433High
Use-After-Free vulnerability in Windows Media allows an authorized attacker to elevate privileges locally.
- CVE-2026-50415Medium
An exposure of sensitive information to an unauthorized actor exists in Windows Media. An unauthorized attacker can exploit this to disclose information remotely over the network.
Original NVD description (English source)
Windows Media Remote Code Execution Vulnerability
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

