CVE-2013-3183: Microsoft Windows 7

High severity, CVSS 7.8. EPSS: 78.1% chance of exploitation in the next 30 days.

The TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT does not properly perform memory allocation for inbound ICMPv6 packets, which allows remote attackers to cause a denial of service (system hang) via crafted packets, aka "ICMPv6 Vulnerability."

Affected products

• Microsoft Windows 7: any version
• Microsoft Windows 8: affected versions not specified
• Microsoft Windows Rt: affected versions not specified
• Microsoft Windows Server 2008: any version
• Microsoft Windows Server 2012: affected versions not specified
• Microsoft Windows Vista: any version

Published 2013-08-14. Last modified 2026-06-16.