CVE-2025-29962
Published: 13 May 2025
Summary
CVE-2025-29962 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Microsoft Windows 10 21H2. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 15.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2025-29962 is a heap-based buffer overflow vulnerability, tracked under CWE-122 and CWE-787, that affects the Windows Media component. The flaw carries a CVSS 3.1 score of 8.8 and permits remote code execution when triggered over a network.
An unauthenticated attacker can exploit the issue by sending specially crafted content to a vulnerable system. Successful exploitation grants the attacker the ability to execute arbitrary code with the privileges of the affected process, though user interaction is required for the attack to succeed.
Microsoft has published an advisory for CVE-2025-29962 that includes remediation guidance; practitioners should consult the update guide at the referenced MSRC URL for patch availability and deployment instructions. The associated EPSS score remains low at 0.0218 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-14416
Vulnerability details
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.