CVE-2025-29971
Published: 13 May 2025
Summary
CVE-2025-29971 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Microsoft Windows 11 22H2. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 6.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2025-29971 is an out-of-bounds read vulnerability, tracked under CWE-125, that affects the Web Threat Defense driver WTD.sys. The flaw received a CVSS v3.1 base score of 7.5 and permits remote, unauthenticated denial of service when triggered over a network.
An attacker with no credentials or user interaction can send specially crafted network traffic to a system running the affected driver, causing it to read beyond allocated memory bounds and crash the service, resulting in loss of availability.
Microsoft has published an advisory for CVE-2025-29971 that details available updates and mitigation guidance. The EPSS score has remained flat at 0.0975 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-14466
Vulnerability details
Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service 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
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.