CVE-2018-0959 Code injection in Windows 10

High 7.6 Published 9 May 2018 Updated 5 Aug 2024

An authenticated guest user can execute arbitrary code on the Windows Hyper-V host due to improper input validation.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-0959?

CVE-2018-0959 is a high-severity code injection vulnerability in Microsoft Windows 10, published on 9 May 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Hyper-V Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Weakness: CWE-20

Which versions are affected by CVE-2018-0959?

It affects 7 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 1 more.

How do I fix CVE-2018-0959?

No fix has been published for CVE-2018-0959 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-2018-0959 being exploited?

There is no known exploitation of CVE-2018-0959 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-c9w2-52x6-j7c4.