An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.
Severity
CVSS 3.1
6.8 medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
EPSS
5.8% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)