CVE-2021-1692 Windows Hyper-V Denial of Service Vulnerability

High 7.7 Published Updated

An attacker can cause a denial of service in Windows Hyper-V, affecting virtualization services on Windows operating systems.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-1692?

CVE-2021-1692 is a high-severity denial of service vulnerability in Microsoft Windows 10, published on 12 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Windows Hyper-V Denial of Service Vulnerability

Which versions are affected by CVE-2021-1692?

It affects 4 products.

Products include Microsoft Windows 10, Microsoft Windows 8.1, Microsoft Windows Server 2012, Microsoft Windows Server 2016.

How do I fix CVE-2021-1692?

No fix has been published for CVE-2021-1692 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-2021-1692 being exploited?

There is no known exploitation of CVE-2021-1692 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-9whg-929h-x3w8.

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