CVE-2010-3229: Microsoft Windows 7

High severity, CVSS 7.1. EPSS: 50.2% chance of exploitation in the next 30 days.

The Secure Channel (aka SChannel) security package in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7, when IIS 7.x is used, does not properly process client certificates during SSL and TLS handshakes, which allows remote attackers to cause a denial of service (LSASS outage and reboot) via a crafted packet, aka "TLSv1 Denial of Service Vulnerability."

Affected products

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

Published 2010-10-13. Last modified 2026-06-16.