CVE-2014-6321: Microsoft Windows 7

High severity, CVSS 10.0. EPSS: 96% chance of exploitation in the next 30 days.

Schannel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via crafted packets, aka "Microsoft Schannel Remote Code Execution Vulnerability."

Affected products

• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8: affected versions not specified
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Rt: affected versions not specified
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2003: 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 Vista: affected versions not specified

Published 2014-11-11. Last modified 2026-06-17.