CVE-2010-0242: Microsoft Windows Server 2008

High severity, CVSS 7.8. EPSS: 65.8% chance of exploitation in the next 30 days.

The TCP/IP implementation in Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via crafted packets with malformed TCP selective acknowledgement (SACK) values, aka "TCP/IP Selective Acknowledgement Vulnerability."

Affected products

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

Published 2010-02-10. Last modified 2026-06-16.