Vulnerability · Published May 13, 2025 · Assigned by microsoft
CVE-2025-29971Web Threat Defense (WTD.sys) Denial of Service Vulnerability
High 7.5
In plain English
A high-severity out-of-bounds read in Windows 11 version 22H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 68.1% (higher than 99.3% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)68.1%top 0.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.5335 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 – before 10.0.22631.5335 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 – before 10.0.22631.5335 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – before 10.0.26100.4061 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
References
- Web Threat Defense (WTD.sys) Denial of Service Vulnerability vendor-advisory, patch