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.
Severity
CVSS 3.0
7.7 high
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS
8.2% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)