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.
<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 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 |