Description
A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system. 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 that causes a host machine to crash. 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. The security update addresses the vulnerability by resolving a number of conditions where Hyper-V would fail to prevent a guest operating system from sending malicious requests.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Microsoft Windows 10 Version 1703
10.0.0 to < publicationaffected
Microsoft Windows 10 Version 1803
10.0.0 to < publicationaffected
Microsoft Windows Server, version 1803 (Server Core Installation)
10.0.0 to < publicationaffected
Microsoft Windows 10 Version 1709
10.0.0 to < publicationaffected
Microsoft Windows 10 Version 1507
10.0.10240.0 to < publicationaffected
Microsoft Windows 10 Version 1607
10.0.14393.0 to < publicationaffected
Microsoft Windows Server 2016
10.0.14393.0 to < publicationaffected
Microsoft Windows Server 2016 (Server Core installation)
10.0.14393.0 to < publicationaffected
Microsoft Windows 8.1
6.3.0 to < publicationaffected
Microsoft Windows Server 2012 R2
6.3.9600.0 to < publicationaffected
Microsoft Windows Server 2012 R2 (Server Core installation)
6.3.9600.0 to < publicationaffected
Microsoft Windows 10 Version 1809
10.0.17763.0 to < publicationaffected
Microsoft Windows 10 Version 1809
10.0.0 to < publicationaffected
Microsoft Windows Server 2019
10.0.17763.0 to < publicationaffected
Microsoft Windows Server 2019 (Server Core installation)
10.0.17763.0 to < publicationaffected