CVE-2020-0904

Windows Hyper-V Denial of Service Vulnerability

CVE-2020-0904 is fixed in 27 products on 1 platform, first by KB4577015, released September 8, 2020. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.5
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0124
69th percentile

<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>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.3930 KB4577015 Sep 8, 2020
Windows 10 Version 1607 for x64-based Systems 14393.3930 KB4577015 Sep 8, 2020
Windows 10 Version 1709 for 32-bit Systems 16299.2107 KB4577041 Sep 8, 2020
Windows 10 Version 1709 for ARM64-based Systems 16299.2107 KB4577041 Sep 8, 2020
Windows 10 Version 1709 for x64-based Systems 16299.2107 KB4577041 Sep 8, 2020
Windows 10 Version 1803 for 32-bit Systems 17134.1726 KB4577032 Sep 8, 2020
Windows 10 Version 1803 for ARM64-based Systems 17134.1726 KB4577032 Sep 8, 2020
Windows 10 Version 1803 for x64-based Systems 17134.1726 KB4577032 Sep 8, 2020
Windows 10 Version 1809 for 32-bit Systems 17763.1457 KB4570333 Sep 8, 2020
Windows 10 Version 1809 for ARM64-based Systems 17763.1457 KB4570333 Sep 8, 2020
Windows 10 Version 1809 for x64-based Systems 17763.1457 KB4570333 Sep 8, 2020
Windows 10 Version 1903 for 32-bit Systems KB4574727 Sep 8, 2020
Windows 10 Version 1903 for ARM64-based Systems KB4574727 Sep 8, 2020
Windows 10 Version 1903 for x64-based Systems KB4574727 Sep 8, 2020
Windows 10 Version 1909 for 32-bit Systems KB4574727 Sep 8, 2020
Windows 10 Version 1909 for ARM64-based Systems KB4574727 Sep 8, 2020
Windows 10 Version 1909 for x64-based Systems KB4574727 Sep 8, 2020
Windows 10 Version 2004 for 32-bit Systems 19041.508 KB4571756 Sep 8, 2020
Windows 10 Version 2004 for ARM64-based Systems 19041.508 KB4571756 Sep 8, 2020
Windows 10 Version 2004 for x64-based Systems 19041.508 KB4571756 Sep 8, 2020
Windows Server 2016 14393.3930 KB4577015 Sep 8, 2020
Windows Server 2016 (Server Core installation) 14393.3930 KB4577015 Sep 8, 2020
Windows Server 2019 17763.1457 KB4570333 Sep 8, 2020
Windows Server 2019 (Server Core installation) 17763.1457 KB4570333 Sep 8, 2020
Windows Server, version 1903 (Server Core installation) KB4574727 Sep 8, 2020
Windows Server, version 1909 (Server Core installation) KB4574727 Sep 8, 2020
Windows Server, version 2004 (Server Core installation) 19041.508 KB4571756 Sep 8, 2020

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