SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8489

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." This affects Windows…

HIGH 8.4EPSS 4.40%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8490.

CVSS 3.0
8.4 HIGHCVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
4.40% probability · 91th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · 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.