CVE-2019-0635: Microsoft Windows 10

Medium severity, CVSS 6.2. EPSS: 2.4% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Information Disclosure Vulnerability'.

Affected products

• Microsoft Windows 10: affected versions not specified; version 1607 only; version 1703 only; version 1709 only; version 1803 only; version 1809 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 1709 only; version 1803 only
• Microsoft Windows Server 2019: affected versions not specified

Published 2019-03-05. Last modified 2026-06-17.