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."
Use CWE-189, Microsoft vendor hub and Windows 7 product page to widen CVE-2013-3138 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2022-35744, CVE-2022-35753 and CVE-2022-35752 for nearby disclosures in the same product family. Additional editorial context is available in Weekly Security Roundup: Navigating the April 2026 Threat Landscape and Critical Framework Exploits.