CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:M/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
EPSS
Percentile
19.9%
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch 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 preventing out-of-bound memory access.
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:M/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
EPSS
Percentile
19.9%