Security Advisory

CVE-2020-1243

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-10-16 22:18:14
Last updated 2024-08-04 06:31:59
Assigner microsoft
State PUBLISHED

Description

<p>A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system.</p> <p>To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application.</p> <p>The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to handle these requests.</p>