CVE-2026-122170 Windows Win32k Elevation of Privilege Vulnerability

High 7.0 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-122170?

CVE-2026-122170 is a high-severity vulnerability in Microsoft Windows 10 Version 1607, published on 10 Nov 2026.

Official description

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2026-122170?

How do I fix CVE-2026-122170?

No fix has been published for CVE-2026-122170 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-122170 being exploited?

There is no known exploitation of CVE-2026-122170 in the wild and no public exploit code.

Sources

Also known as GHSA-w2mm-xvp4-6gm7.

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