CVE-2020-16891 HIGH

CVE-2020-16891: Windows Hyper-V Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows 10 Version 2004
Published October 16, 2020
Last update August 4, 2024

CVSS base score

8.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C

What the vulnerability does

01Description

<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>

Key dates

02Disclosure timeline

October 16, 2020 CVE published
August 4, 2024 Record updated