CVE-2024-49093 Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

High 8.8 Published Updated

An attacker can exploit a flaw in Windows ReFS to elevate privileges on affected Windows 11 and Server systems.

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-2024-49093?

CVE-2024-49093 is a high-severity vulnerability in Microsoft Windows 11 24h2, published on 10 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Weakness: CWE-681

Which versions are affected by CVE-2024-49093?

It affects 2 products.

Products include Microsoft Windows 11 24h2, Microsoft Windows Server 2025.

How do I fix CVE-2024-49093?

No fix has been published for CVE-2024-49093 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-49093 being exploited?

There is no known exploitation of CVE-2024-49093 in the wild and no public exploit code.

All Microsoft Windows 11 24h2 vulnerabilities

Sources

Also known as GHSA-h5qr-r3m8-3g2v.

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