CVE-2019-0719: Microsoft Windows 10

Critical severity, CVSS 9.1. EPSS: 11.4% chance of exploitation in the next 30 days.

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-2019-0721.

Affected products

• Microsoft Windows 10: affected versions not specified; version 1607 only; version 1709 only; version 1803 only; version 1809 only; version 1903 only
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: affected versions not specified; version 1803 only; version 1903 only
• Microsoft Windows Server 2019: affected versions not specified

Published 2019-11-12. Last modified 2026-06-17.