CVE-2018-8437: Microsoft Windows 10

Medium severity, CVSS 6.2. EPSS: 2.1% chance of exploitation in the next 30 days.

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8436, CVE-2018-8438.

Affected products

• Microsoft Windows 10: version 1803 only
• Microsoft Windows Server 2016: version 1803 only

Published 2018-09-13. Last modified 2026-06-17.