<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 | — | 2020-10 Cumulative Update for Microsoft Windows 10, version 1809 (KB4577668)2020-10 Cumulative Update for Microsoft Windows 10, version 1607 (KB4580346)2020-10 Cumulative Update for Windows Server, version 2004 for x64-based Systems (KB4579311)2020-10 Cumulative Update for Windows Server, version 1909 for x64-based Systems (KB4577671)2020-10 Cumulative Update for Microsoft Windows 10, version 1903 (KB4577671)2020-10 Cumulative Update for Microsoft Windows 10, version 1709 (KB4580328)2020-10 Cumulative Update for Microsoft Windows 10, version 2004 (KB4579311)2020-10 Cumulative Update for Microsoft Windows 10, version 1909 (KB4577671)2020-10 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB4577668)2020-10 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB4580346)2020-10 Cumulative Update for Windows Server, version 1903 for x64-based Systems (KB4577671)2020-10 Cumulative Update for Microsoft Windows 10, version 1803 (KB4580330) | Oct 13, 2020 | Oct 13, 2020 |
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