CVE-2018-8611: Microsoft Windows Kernel Privilege Escalation Vulnerability

High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2022-05-24. EPSS: 4.2% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka "Windows Kernel 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.

Affected products

• Microsoft Windows 10 1607: affected versions not specified
• Microsoft Windows 10 1703: affected versions not specified
• Microsoft Windows 10 1709: affected versions not specified
• Microsoft Windows 10 1803: affected versions not specified
• Microsoft Windows 10 1809: affected versions not specified
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: affected versions not specified
• Microsoft Windows Server 2019: affected versions not specified

Published 2018-12-12. Last modified 2026-06-17.