CVE-2019-0701

Windows Hyper-V Denial of Service Vulnerability

CVE-2019-0701 is fixed in 5 products on 1 platform, first by KB4489868, released March 12, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0190
79th percentile

<p>A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system. 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 that causes a host machine to crash.</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 a number of conditions where Hyper-V would fail to prevent a guest operating system from sending malicious requests.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1803 for x64-based Systems 17134.648 KB4489868 Mar 12, 2019
Windows 10 Version 1809 for x64-based Systems 17763.379 KB4489899 Mar 12, 2019
Windows Server 2019 17763.379 KB4489899 Mar 12, 2019
Windows Server 2019 (Server Core installation) 17763.379 KB4489899 Mar 12, 2019
Windows Server, version 1803 (Server Core Installation) 17134.648 KB4489868 Mar 12, 2019