CVE-2018-8621: Microsoft Windows 7

Medium severity, CVSS 5.5. EPSS: 1.8% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows Server 2012, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8477, CVE-2018-8622.

Affected products

• Microsoft Windows 7: affected versions not specified
• Microsoft Windows Server 2008: version r2 only
• Microsoft Windows Server 2012: affected versions not specified

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