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CVE-2018-8589

Severity
HIGH
CVSS
7.8
EPSS
0.03023
Risk score
57.26
CISA KEV
Yes
PoC
No
Published
2022-05-23
Modified
2022-05-23
First seen
2026-08-07
Aliases
EUVD-2018-20204, GHSA-67QX-V8W9-Q5X5
Products
Microsoft:Win32k, Microsoft:Windows 7 32-bit Systems Service Pack 1, Microsoft:Windows 7 x64-based Systems Service Pack 1, Microsoft:Windows Server 2008 32-bit Systems Service Pack 2, Microsoft:Windows Server 2008 32-bit Systems Service Pack 2 (Server Core installation), Microsoft:Windows Server 2008 Itanium-Based Systems Service Pack 2, Microsoft:Windows Server 2008 R2 Itanium-Based Systems Service Pack 1, Microsoft:Windows Server 2008 R2 x64-based Systems Service Pack 1, Microsoft:Windows Server 2008 R2 x64-based Systems Service Pack 1 (Server Core installation), Microsoft:Windows Server 2008 x64-based Systems Service Pack 2, Microsoft:Windows Server 2008 x64-based Systems Service Pack 2 (Server Core installation)
Sources
euvd EUVD-2018-20204
cisa.gov CVE-2018-8589

Description

A privilege escalation vulnerability exists when Windows improperly handles calls to Win32k.sys. An attacker who successfully exploited this vulnerability could run remote code in the security context of the local system.

References