What’s Vulnerable › Vulnerabilities

CVE-2011-1248

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 47.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2011-05-13 · updated 2026-06-16
• Weakness: CWE-20

Description

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: all versions
• Microsoft Windows Server 2008: r2

References

• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-035
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12724
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-035
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12724

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