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CVE-2018-8589

Known Exploited (CISA KEV)HIGH
7.8
CVSS Severity Score
EPSS Score31.4210%
EPSS Percentile89.84th
PublishedNov 14, 2018
Last ModifiedOct 28, 2025

Vulnerability 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.

Affected Platforms (CPE)

💻
Microsoft

Windows 7

All versions
💻
Microsoft

Windows Server 2008

All versions
💻
Microsoft

Windows Server 2008

= r2
💻
Microsoft

Windows Server 2008

= r2

References & Advisories

🔗 http://www.securityfocus.com/bid/105796
🔗 http://www.securitytracker.com/id/1042140
🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8589
🔗 http://www.securityfocus.com/bid/105796
🔗 http://www.securitytracker.com/id/1042140
🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8589
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8589

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