CVE-2026-32195 Windows Kernel Elevation of Privilege Vulnerability

High 7.0 Published 14 Apr 2026 Updated 15 Oct 2026

A stack-based buffer overflow in the Windows Kernel allows an authorized local attacker to elevate privileges.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-32195?

CVE-2026-32195 is a high-severity memory corruption vulnerability in Microsoft Windows 11 26h1, published on 14 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Stack-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

Weakness: CWE-121

Which versions are affected by CVE-2026-32195?

It affects 1 product.

Products include Microsoft Windows 11 26h1.

How do I fix CVE-2026-32195?

No fix has been published for CVE-2026-32195 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-32195 being exploited?

There is no known exploitation of CVE-2026-32195 in the wild and no public exploit code.

All Microsoft Windows 11 26h1 vulnerabilities

Sources

Also known as GHSA-q8ch-9739-6w2m.