SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8218

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…

HIGH 7.7EPSS 7.65%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.0
7.7 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS
7.65% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/windows 10 · microsoft/windows server 2016
Source
secure@microsoft.com

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