What’s Vulnerable › Vulnerabilities

CVE-2011-3406

• Severity: critical (CVSS 9.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 23.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-12-14 · updated 2026-06-16
• Weakness: CWE-119

Description

Buffer overflow in Active Directory, Active Directory Application Mode (ADAM), and Active Directory Lightweight Directory Service (AD LDS) in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote authenticated users to execute arbitrary code via a crafted query that leverages incorrect memory initialization, aka "Active Directory Buffer Overflow Vulnerability."

Affected products

• Microsoft Windows 7: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows Server 2008: r2
• Microsoft Windows Vista: all versions
• Microsoft Windows XP Service Pack 3: all versions

References

• http://www.us-cert.gov/cas/techalerts/TA11-347A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-095
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14037
• http://www.us-cert.gov/cas/techalerts/TA11-347A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-095
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14037

Get alerted when CVE-2011-3406 or the next vulnerability affects your stack