CVE-2011-1248: Microsoft Windows Server 2003

High severity, CVSS 9.3. EPSS: 47.6% chance of exploitation in the next 30 days.

WINS in Microsoft Windows Server 2003 SP2 and Server 2008 Gold, SP2, R2, and R2 SP1 does not properly handle socket send exceptions, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted packets, related to unintended stack-frame values and buffer passing, aka "WINS Service Failed Response Vulnerability."

Affected products

• Microsoft Windows Server 2003: any version
• Microsoft Windows Server 2008: any version; affected versions not specified; version r2 only

Published 2011-05-13. Last modified 2026-06-16.