CVE-2018-8589
HIGH KEVWindows 7 and Windows Server 2008 - Privilege Escalation via Win32k.sys
Title source: llmExploitation Summary
CVE-2018-8589 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 23, 2022.
Description
An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys, aka "Windows Win32k Elevation of Privilege Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2.
References (4)
Core 4
Core References
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8589
Broken Link, Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/105796
Broken Link, Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1042140
Patch, Vendor Advisory x_refsource_confirm
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8589
Scores
CVSS v3
7.8
EPSS
0.5044
EPSS Percentile
97.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2022-05-23
VulnCheck KEV
2018-10-17
InTheWild.io
2018-10-17
ENISA EUVD
EUVD-2018-20204
Status
published
Products (3)
microsoft/windows_7
microsoft/windows_server_2008
microsoft/windows_server_2008
r2 sp1 (2 CPE variants)
Published
Nov 14, 2018
KEV Added
May 23, 2022
Tracked Since
Feb 18, 2026