CVE-2020-16891: Windows Hyper-V Remote Code Execution Vulnerability
<p>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. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could cause the Hyper-V host operating system to execute arbitrary code.</p> <p>An attacker who successfully exploited the vulnerability could execute arbitrary code on the host operating system.</p> <p>The security update addresses the vulnerability by correcting how Hyper-V validates guest operating system user input.</p>
Other sources
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 'Windows Hyper-V Remote Code Execution Vulnerability'.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2020-16891?
CVE-2020-16891 has a severity rating of critical due to its potential for remote code execution.
How do I fix CVE-2020-16891?
To mitigate CVE-2020-16891, apply the latest security updates provided by Microsoft for affected Windows versions.
Which versions of Windows are affected by CVE-2020-16891?
CVE-2020-16891 affects various versions of Microsoft Windows, including Windows 10, Windows Server 2008, 2012, 2016, and 2019.
What kind of attack can exploit CVE-2020-16891?
An attacker can exploit CVE-2020-16891 by running a specially crafted application on a guest operating system to execute arbitrary code.
Is CVE-2020-16891 a network vulnerability?
Yes, CVE-2020-16891 is a remote code execution vulnerability that can be exploited over the network.