CVE-2019-0966

Windows Hyper-V Denial of Service Vulnerability

CVE-2019-0966 is fixed in 12 products on 1 platform, first by KB4507460, released July 9, 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
0.0164
76th 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 1607 for x64-based Systems 14393.3085 KB4507460 Jul 9, 2019
Windows 10 Version 1703 for x64-based Systems 15063.1928 KB4507450 Jul 9, 2019
Windows 10 Version 1709 for x64-based Systems 16299.1268 KB4507455 Jul 9, 2019
Windows 10 Version 1803 for x64-based Systems 17134.885 KB4507435 Jul 9, 2019
Windows 10 Version 1809 for x64-based Systems 17763.615 KB4507469 Jul 9, 2019
Windows 10 Version 1903 for x64-based Systems 18362.239 KB4507453 Jul 9, 2019
Windows Server 2016 14393.3085 KB4507460 Jul 9, 2019
Windows Server 2016 (Server Core installation) 14393.3085 KB4507460 Jul 9, 2019
Windows Server 2019 17763.615 KB4507469 Jul 9, 2019
Windows Server 2019 (Server Core installation) 17763.615 KB4507469 Jul 9, 2019
Windows Server, version 1803 (Server Core Installation) 17134.885 KB4507435 Jul 9, 2019
Windows Server, version 1903 (Server Core installation) 18362.239 KB4507453 Jul 9, 2019

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.