Out-of-bounds Read in Microsoft Windows 11 22h2

CVE-2025-29971

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

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.681 (99.3th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-29971: rose from 0.644 to 0.681.

EPSS over last 30 days · oldest: 0.644 · newest: 0.681 · change: +0.038

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-29971?
CVE-2025-29971 is a high-severity vulnerability in Microsoft Windows 11 22h2, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2025-05-13.
How severe is CVE-2025-29971?
High severity. CVSS v3 base score is 7.5 out of 10.