CVE-2020-1243
Description
<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>
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_10 | 1607, 1709, 1803, 1809, 1903, 2004 | — |
| microsoft windows_server_2016 | No range specified, 1903, 1909, 2004 | — |
| microsoft windows_server_2019 | No range specified | — |
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