CVE-2013-3138: Microsoft Windows 7

High severity, CVSS 7.1. EPSS: 59.4% chance of exploitation in the next 30 days.

Integer overflow in the TCP/IP kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allows remote attackers to cause a denial of service (system hang) via crafted TCP packets, aka "TCP/IP Integer Overflow Vulnerability."

Affected products

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

Published 2013-06-12. Last modified 2026-06-16.