CVE-2026-32076 Windows Storage Spaces Controller Elevation of Privilege Vulnerability

High 7.8 Published Updated

An out-of-bounds read in the Windows Storage Spaces Controller allows local attackers 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-2026-32076?

CVE-2026-32076 is a high-severity memory corruption vulnerability in Microsoft Windows 11 23h2, 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

Out-of-bounds read in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

Weakness: CWE-125

Which versions are affected by CVE-2026-32076?

It affects 6 products.

Products include Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1, Microsoft Windows Server 2022 23h2, Microsoft Windows Server 2025.

How do I fix CVE-2026-32076?

No fix has been published for CVE-2026-32076 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-2026-32076 being exploited?

There is no known exploitation of CVE-2026-32076 in the wild and no public exploit code.

All Microsoft Windows 11 23h2 vulnerabilities

Sources

Also known as GHSA-5fcq-5c4c-pv57.

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