Windows Hyper-V Denial of Service Vulnerability
CVE-2020-0661 is fixed in 9 products on 1 platform, first by KB4537764, released February 11, 2020. It is not reported as exploited. Patch Radar priority: Routine.
<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
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for x64-based Systems | 14393.3504 | KB4537764 | Feb 11, 2020 |
| Windows 10 Version 1809 for x64-based Systems | 17763.1039 | KB4532691 | Feb 11, 2020 |
| Windows 10 Version 1909 for x64-based Systems | KB4532693 | Feb 11, 2020 | |
| Windows Server 2016 | 14393.3504 | KB4537764 | Feb 11, 2020 |
| Windows Server 2016 (Server Core installation) | 14393.3504 | KB4537764 | Feb 11, 2020 |
| Windows Server 2019 | 17763.1039 | KB4532691 | Feb 11, 2020 |
| Windows Server 2019 (Server Core installation) | 17763.1039 | KB4532691 | Feb 11, 2020 |
| Windows Server, version 1903 (Server Core installation) | KB4532693 | Feb 11, 2020 | |
| Windows Server, version 1909 (Server Core installation) | KB4532693 | Feb 11, 2020 | |
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