CVE-2025-29971

Web Threat Defense (WTD.sys) Denial of Service Vulnerability

State: Published
Severity: 7.5 High
Published: May 13, 2025
Updated: Feb 13, 2026
Reserved: Mar 12, 2025

Description

Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service over a network.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	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	microsoft

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Windows 11 version 22H2Microsoft	10.0.22621.0 to before 10.0.22621.5335Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.5335Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.5335Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.4061Affected

References

Web Threat Defense (WTD.sys) Denial of Service Vulnerabilityvendor-advisorypatch

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