Vulnerability · CVE-2025-29962
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
Published May 13, 2025 · catalog updated Feb 26, 2026 · Microsoft Windows 10 Version 21H2
Check this week
CVE-2025-29962 is not in CISA KEV. FIRST estimates a 14.97% chance of exploitation in the next 30 days. Check whether you run Microsoft Windows 10 Version 21H2.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 14.97%
- Remediation
- Version ranges on file
- Affected products
- vendor Microsoft Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.5854
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Microsoft Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.585410.0.19044.0 <10.0.19044.5854
How to fix CVE-2025-29962
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-29962 is not in CISA KEV. FIRST estimates a 14.97% chance of exploitation in the next 30 days. Check whether you run Microsoft Windows 10 Version 21H2.
Which versions are affected?
Compare what you have installed with Microsoft Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.5854 10.0.19044.0 <10.0.19044.5854. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 14.97%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 13, 2025 · EUVD
Detected
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
Feb 26, 2026 · EUVD
Updated
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
Sources
- CVE.orgVulnerability recordCVE-2025-29962
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-29962
30-day exploitation probability 15.0%
first.org - EUVDVulnerability recordEUVD-2025-14416
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.