CVE-2018-8439: 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…

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 Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-0965.

CVSS vector

CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack vector

Adjacent

Complexity

Low

Privileges

High

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)4.3% · higher than 91% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

WI

Windows · Microsoft

1607; 1703; 1709; 1803 · source: NVD

W8

Windows 8.1 · Microsoft

All versions, or not specified · source: NVD

WR

Windows RT 8.1 · Microsoft

All versions, or not specified · source: NVD

WS

Windows Server 2012 · Microsoft

r2 · source: NVD

WS

Windows Server 2016 · Microsoft

1709; 1803 · source: NVD