CVE-2017-0099 Denial of service in Hyper-V

Medium 5.4 Published 17 Mar 2017 Updated 5 Aug 2024

Guest OS users can cause a denial of service in Microsoft Hyper-V via a crafted application, affecting Windows virtualization environments.

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-2017-0099?

CVE-2017-0099 is a medium-severity denial of service vulnerability in Microsoft Windows 10, published on 17 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Hyper-V in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and 2008 R2; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows guest OS users, running as virtual machines, to cause a denial of service via a crafted application, aka "Hyper-V Denial of Service Vulnerability." This vulnerability is different from those described in CVE-2017-0098, CVE-2017-0074, CVE-2017-0076, and CVE-2017-0097.

Weakness: CWE-20

Which versions are affected by CVE-2017-0099?

It affects 7 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016 and 1 more.

How do I fix CVE-2017-0099?

No fix has been published for CVE-2017-0099 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-2017-0099 being exploited?

There is no known exploitation of CVE-2017-0099 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-39cj-5fqw-pw57.