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.
CVSS breakdown
CVSS 3.1
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
E
Physical
RL
O
RC
Changed
Affected products
- Microsoft / Windows 10 Version 150710.0.10240.0 – publication
- Microsoft / Windows 10 Version 160710.0.14393.0 – publication
- Microsoft / Windows 10 Version 170310.0.0 – publication
- Microsoft / Windows 10 Version 170910.0.0 – publication
- Microsoft / Windows 10 Version 180310.0.0 – publication
- Microsoft / Windows 10 Version 180910.0.17763.0 – publication
- Microsoft / Windows 10 Version 180910.0.0 – publication
- Microsoft / Windows 8.16.3.0 – publication
- Microsoft / Windows Server 2012 R26.3.9600.0 – publication
- Microsoft / Windows Server 2012 R2 (Server Core installation)6.3.9600.0 – publication
- Microsoft / Windows Server 201610.0.14393.0 – publication
- Microsoft / Windows Server 2016 (Server Core installation)10.0.14393.0 – publication
- Microsoft / Windows Server 201910.0.17763.0 – publication
- Microsoft / Windows Server 2019 (Server Core installation)10.0.17763.0 – publication
- Microsoft / Windows Server, version 1803 (Server Core Installation)10.0.0 – publication