CVE-2016-3213: Microsoft Internet Explorer

High severity, CVSS 8.8. EPSS: 66.9% chance of exploitation in the next 30 days.

The Web Proxy Auto Discovery (WPAD) protocol implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold and 1511, and Internet Explorer 9 through 11 has an improper fallback mechanism, which allows remote attackers to gain privileges via NetBIOS name responses, aka "WPAD Elevation of Privilege Vulnerability."

Affected products

• Microsoft Internet Explorer: version 9 only; version 10 only; version 11 only
• Microsoft Windows 10: affected versions not specified; version 1511 only
• Microsoft Windows 7: any version
• Microsoft Windows 8.1: any version
• Microsoft Windows Rt 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 2016-06-16. Last modified 2026-06-17.