CVE-2018-0885 Denial of service in Microsoft Hyper-V Network Switch

Medium 5.8 Published 14 Mar 2018 Updated 16 Sep 2024

A privileged user in a guest OS can cause a denial of service in the Hyper-V Network Switch on Windows Server and Windows 10.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-0885?

CVE-2018-0885 is a medium-severity denial of service vulnerability in Microsoft Windows 10, published on 14 Mar 2018. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The Microsoft Hyper-V Network Switch in 64-bit versions of Microsoft Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709, Windows Server 2016 and Windows Server, version 1709 allows a denial of service vulnerability due to how input from a privileged user on a guest operating system is validated, aka "Hyper-V Denial of Service Vulnerability".

Weakness: CWE-20

Which versions are affected by CVE-2018-0885?

It affects 5 products.

Products include Microsoft Windows 10, Microsoft Windows Server, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016.

How do I fix CVE-2018-0885?

No fix has been published for CVE-2018-0885 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-0885 being exploited?

There is no known exploitation of CVE-2018-0885 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-c8pr-9cmv-f72j.