high7.8
CVE-2020-1243
<p>A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest o…
Impact
<p>A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system.</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 the conditions where Hyper-V would fail to handle these requests.</p>
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 | Versions 1607, 1709, 1803, 1809, 1903, 2004 |
| Microsoft | Windows Server 2016 | All versions Versions 1903, 1909, 2004 |
| Microsoft | Windows Server 2019 | All versions |