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.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0721
Source: MITRE
Published: 2019-11-12
Updated: 2019-11-14
Type: CWE-20
Base Score: 9
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 8
Severity: HIGH
Base Score: 9.1
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Impact Score: 6
Exploitability Score: 2.3
Severity: CRITICAL