CVE-2018-8218: Microsoft Windows 10

High severity, CVSS 7.7. EPSS: 7.9% 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.

Affected products

• Microsoft Windows 10: version 1709 only
• Microsoft Windows Server 2016: version 1709 only

Published 2018-06-14. Last modified 2026-06-17.