CVE-2016-0049: Microsoft Windows 10

Medium severity, CVSS 6.2. EPSS: 13.1% chance of exploitation in the next 30 days.

Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows 10 Gold and 1511 does not properly validate password changes, which allows remote attackers to bypass authentication by deploying a crafted Key Distribution Center (KDC) and then performing a sign-in action, aka "Windows Kerberos Security Feature Bypass."

Affected products

• Microsoft Windows 10: affected versions not specified; version 1511 only
• Microsoft Windows 7: any version
• Microsoft Windows 8.1: any version
• Microsoft Windows Server 2008: any version; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Vista: any version

Published 2016-02-10. Last modified 2026-06-17.