CVE-2025-29974 Windows Kernel Information Disclosure Vulnerability

Medium 5.7 Published Updated

An integer underflow in the Windows Kernel allows an unauthorized attacker to disclose information over an adjacent network.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-29974?

CVE-2025-29974 is a medium-severity vulnerability in Microsoft Windows 10 1507, published on 13 May 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Integer underflow (wrap or wraparound) in Windows Kernel allows an unauthorized attacker to disclose information over an adjacent network.

Weakness: CWE-191, CWE-125

Which versions are affected by CVE-2025-29974?

It affects 15 products.

Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 9 more.

How do I fix CVE-2025-29974?

No fix has been published for CVE-2025-29974 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-29974 being exploited?

There is no known exploitation of CVE-2025-29974 in the wild and no public exploit code.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-qw9p-xh57-vvwj.

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