What’s Vulnerable › Vulnerabilities

CVE-2009-1928

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 30.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-11-11 · updated 2026-06-16
• Weakness: CWE-399

Description

Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2; Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) on Windows Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via a malformed (1) LDAP or (2) LDAPS request, aka "LSASS Recursive Stack Overflow Vulnerability."

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows 2003 Server: all versions
• Microsoft Windows Server 2008: all versions
• Microsoft Windows Vista: all versions
• Microsoft Windows XP Service Pack 3: all versions

References

• http://www.us-cert.gov/cas/techalerts/TA09-314A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-066
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5890
• http://www.us-cert.gov/cas/techalerts/TA09-314A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-066
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5890

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