CVE-2019-0721

CRITICAL

Windows 10 and Windows Server 2016/2019 - Remote Code Execution via Hyper-V Network Switch Input Validation

Title source: llm
STIX 2.1

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 (1)

Core 1
Core References

Scores

CVSS v3 9.1
EPSS 0.1034
EPSS Percentile 95.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (7)
microsoft/windows_10 1709
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_10 1903
microsoft/windows_server_2016 1803
microsoft/windows_server_2016 1903
microsoft/windows_server_2019
Published Nov 12, 2019
Tracked Since Feb 18, 2026