CVE-2017-8493: Microsoft Windows 10

Medium severity, CVSS 5.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Microsoft Windows 8.1 and Windows RT 8.1, Windows Server 2012 R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to set variables that are either read-only or require authentication when Windows fails to enforce case sensitivity for certain variable checks, aka "Windows Security Feature Bypass Vulnerability".

Affected products

• Microsoft Windows 10: affected versions not specified; version 1511 only; version 1607 only; version 1703 only
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2012: version r2 only
• Microsoft Windows Server 2016: affected versions not specified

Published 2017-06-15. Last modified 2026-06-17.