Windows Hyper-V Information Disclosure Vulnerability
CVE-2019-1254 is fixed in 12 products on 1 platform, first by KB4516044, released September 10, 2019. It is not reported as exploited. Patch Radar priority: Routine.
<p>An information disclosure vulnerability exists when Windows Hyper-V writes uninitialized memory to disk. An attacker could exploit the vulnerability by reading a file to recover kernel memory.</p> <p>To exploit the vulnerability, an attacker would first require access to a Hyper-V host.</p> <p>The security update addresses the vulnerability by ensuring Hyper-V properly initializes memory before writing it to disk.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for x64-based Systems | 14393.3204 | KB4516044 | Sep 10, 2019 |
| Windows 10 Version 1703 for x64-based Systems | 15063.2045 | KB4516068 | Sep 10, 2019 |
| Windows 10 Version 1709 for x64-based Systems | 16299.1387 | KB4516066 | Sep 10, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.1006 | KB4516058 | Sep 10, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.737 | KB4512578 | Sep 10, 2019 |
| Windows 10 Version 1903 for x64-based Systems | 18362.356 | KB4515384 | Sep 10, 2019 |
| Windows Server 2016 | 14393.3204 | KB4516044 | Sep 10, 2019 |
| Windows Server 2016 (Server Core installation) | 14393.3204 | KB4516044 | Sep 10, 2019 |
| Windows Server 2019 | 17763.737 | KB4512578 | Sep 10, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.737 | KB4512578 | Sep 10, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.1006 | KB4516058 | Sep 10, 2019 |
| Windows Server, version 1903 (Server Core installation) | 18362.356 | KB4515384 | Sep 10, 2019 |
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