CVE-2024-49117 Windows Hyper-V Remote Code Execution Vulnerability

High 8.8 Published Updated

An attacker can execute arbitrary code on Windows systems via Hyper-V, requiring immediate patching for all affected Windows 11 and Server versions.

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-2024-49117?

CVE-2024-49117 is a high-severity code injection vulnerability in Microsoft Windows 11 22h2, 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 Hyper-V Remote Code Execution Vulnerability

Weakness: CWE-393

Which versions are affected by CVE-2024-49117?

It affects 6 products.

Products include Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2, Microsoft Windows Server 2025.

How do I fix CVE-2024-49117?

No fix has been published for CVE-2024-49117 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2024-49117 being exploited?

There is no known exploitation of CVE-2024-49117 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Microsoft Windows 11 22h2 vulnerabilities

Sources

Also known as GHSA-j885-4693-cqgh.

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