Windows Hyper-V Remote Code Execution Vulnerability
CVE-2019-0550 is fixed in 9 products on 1 platform, first by KB4480966, released January 8, 2019. It is not reported as exploited. Patch Radar priority: Urgent.
<p>A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could cause the Hyper-V host operating system to execute arbitrary code.</p> <p>An attacker who successfully exploited the vulnerability could execute arbitrary code on the host operating system.</p> <p>The security update addresses the vulnerability by correcting how Hyper-V validates guest operating system user input.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1803 for 32-bit Systems | 17134.523 | KB4480966 | Jan 8, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.523 | KB4480966 | Jan 8, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.523 | KB4480966 | Jan 8, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.253 | KB4480116 | Jan 8, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.253 | KB4480116 | Jan 8, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.253 | KB4480116 | Jan 8, 2019 |
| Windows Server 2019 | 17763.253 | KB4480116 | Jan 8, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.253 | KB4480116 | Jan 8, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.523 | KB4480966 | Jan 8, 2019 |
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