7.8
High
CVE-2020-1243 A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific…
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>
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1803 10.0 | 10.0.0 → latest | No fix stated |
| Windows 10 Version 1809 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server 2019 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.0 → latest | No fix stated |
| Windows 10 Version 1909 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server, version 1909 (Server Core installation) 10.0 | 10.0.0 → latest | No fix stated |
| Windows 10 Version 1709 10.0 | 10.0.0 → latest | No fix stated |
| Windows 10 Version 1903 for x64-based Systems 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server, version 1903 (Server Core installation) 10.0 | 10.0.0 → latest | No fix stated |
Show the 5 other branches Hide the 5 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 2004 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server version 2004 10.0 | 10.0.0 → latest | No fix stated |
| Windows 10 Version 1607 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server 2016 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.0 → latest | No fix stated |
References
- portal.msrc.microsoft.com portal.msrc.microsoft.com
Timeline
- Published
- Last modified
Other CVEs of Windows 10 Version 1803
The 623 CVEs of Windows 10 Version 1803 →
CVE-2021-31194
OLE Automation Remote Code Execution Vulnerability
8.8
High
CVE-2021-31193
Windows SSDP Service Elevation of Privilege Vulnerability
7.8
High
CVE-2021-31191
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
5.5
Medium
CVE-2021-31188
Windows Graphics Component Elevation of Privilege Vulnerability
7.8
High