VULNERABILITY INTELLIGENCE

CVE-2018-8639

CVSS score7.8 HIGH
EPSS probability22.18%
CISA KEVKnown exploited vulnerability
Published2018-12-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability

Vendor / product: Microsoft / Windows

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.

Weakness classification

  • CWE-404: Improper Resource Shutdown or Release

Primary references