High (8.4) in microsoft. EPSS 9.2% chance of exploitation in the next 30 days.
A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Remote Code Execution Vulnerability'.
Severity
CVSS 3.1
8.4 high
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
9.2% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)