SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-21901

Windows Hyper-V Elevation of Privilege Vulnerability

HIGH 8.0EPSS 0.93%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Windows Hyper-V Elevation of Privilege Vulnerability

CVSS 3.1
8.0 HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.93% probability · 59th percentile
CISA KEV
Not listed
Affected
microsoft/windows 10 · microsoft/windows 11 · microsoft/windows 8.1 · microsoft/windows server · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.