CVE-2020-0909

Windows Hyper-V Denial of Service Vulnerability

State: Published
Severity: 7.5 High
Published: May 21, 2020
Updated: Aug 19, 2026
Reserved: Nov 4, 2019

Description

A denial of service vulnerability exists when Hyper-V on a Windows Server fails to properly handle specially crafted network packets. To exploit the vulnerability, an attacker would send specially crafted network packets to the Hyper-V Server. The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to properly handle these network packets.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C	microsoft

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
Windows 10 Version 1507Microsoft	10.0.10240.0 to before publicationAffected
Windows 10 Version 1607Microsoft	10.0.14393.0 to before publicationAffected
Windows 10 Version 1709Microsoft	10.0.0 to before publicationAffected
Windows 10 Version 1803Microsoft	10.0.0 to before publicationAffected
Windows 10 Version 1809Microsoft	10.0.17763.0 to before publicationAffected
Windows 10 Version 1903 for x64-based SystemsMicrosoft	10.0.0 to before publicationAffected
Windows 10 Version 1909Microsoft	10.0.0 to before publicationAffected
Windows 7 Service Pack 1Microsoft	6.1.0 to before publicationAffected
Windows 8.1Microsoft	6.3.0 to before publicationAffected
Windows Server 2008 R2 Service Pack 1Microsoft	6.1.7601.0 to before publicationAffected
Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft	6.1.7601.0 to before publicationAffected
Windows Server 2008 Service Pack 2Microsoft	6.0.6003.0 to before publicationAffected
Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft	6.0.6003.0 to before publicationAffected
Windows Server 2012Microsoft	6.2.9200.0 to before publicationAffected
Windows Server 2012 (Server Core installation)Microsoft	6.2.9200.0 to before publicationAffected
Windows Server 2012 R2Microsoft	6.3.9600.0 to before publicationAffected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before publicationAffected
Windows Server 2016Microsoft	10.0.14393.0 to before publicationAffected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before publicationAffected
Windows Server 2019Microsoft	10.0.17763.0 to before publicationAffected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before publicationAffected
Windows Server, version 1803 (Server Core Installation)Microsoft	10.0.0 to before publicationAffected
Windows Server, version 1903 (Server Core installation)Microsoft	10.0.0 to before publicationAffected
Windows Server, version 1909 (Server Core installation)Microsoft	10.0.0 to before publicationAffected

References

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