CVE-2018-8639

Published: Dec 12, 2018Modified: Oct 29, 2025CISA KEV

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege 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-2018-8641.

Affected (17)

Products: Microsoft: Windows 10 1507, Windows 10 1607, Windows 10 1703, Windows 10 1709, Windows 10 1803, Windows 10 1809, Windows 7, Windows 8.1, Windows Rt 8.1, Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019

13 products

Configuration A

17 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1507	All versions
Microsoft Windows 10 1607	All versions
Microsoft Windows 10 1703	All versions
Microsoft Windows 10 1709	All versions
Microsoft Windows 10 1803	All versions
Microsoft Windows 10 1809	All versions
Microsoft Windows 7	All versions
Microsoft Windows 8.1	All versions
Microsoft Windows Rt 8.1	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	Version r2
Microsoft Windows Server 2008	Version r2
Microsoft Windows Server 2008	Version r2 sp1
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	All versions
Microsoft Windows Server 2019	All versions