CVE-2016-3258: Microsoft Windows 10

Medium severity, CVSS 4.7. EPSS: 0.9% chance of exploitation in the next 30 days.

Race condition in the kernel in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows local users to bypass the Low Integrity protection mechanism and write to files by leveraging unspecified object-manager features, aka "Windows File System Security Feature Bypass."

Affected products

• Microsoft Windows 10: affected versions not specified; version 1511 only
• Microsoft Windows 8.1: any version
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2012: affected versions not specified; version r2 only

Published 2016-07-13. Last modified 2026-06-17.