<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>
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Msft | microsoft-windows-windows_10-1607-kb4580346microsoft-windows-windows_10-1709-kb4580328microsoft-windows-windows_10-1803-kb4580330microsoft-windows-windows_10-1809-kb4577668microsoft-windows-windows_10-1903-kb4577671microsoft-windows-windows_10-1909-kb4577671microsoft-windows-windows_10-2004-kb4579311microsoft-windows-windows_server_2016-1607-kb4580346microsoft-windows-windows_server_2019-1809-kb4577668msft-kb4577671-c42dc613-fb5b-4c45-925c-4f508584a635msft-kb4577671-ddbf4c81-6ca7-4986-999e-9275ef508017msft-kb4579311-e9f0550d-b150-4eeb-bf5e-1a08b117e7af | Oct 13, 2020 | Oct 13, 2020 |
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