CVE-2019-0721

critical

Description

A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0719.

References

https://www.tenable.com/blog/microsofts-november-2019-patch-tuesday-tenable-roundup

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0721

Details

Source: Mitre, NVD

Published: 2019-11-12

Updated: 2019-11-14

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.0173