What’s Vulnerable › Vulnerabilities

CVE-2011-0039

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-02-09 · updated 2026-06-16
• Weakness: CWE-287

Description

The Local Security Authority Subsystem Service (LSASS) in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly process authentication requests, which allows local users to gain privileges via a request with a crafted length, aka "LSASS Length Validation Vulnerability."

Affected products

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

References

• http://secunia.com/advisories/43253
• http://www.securityfocus.com/bid/46152
• http://www.securitytracker.com/id?1025049
• http://www.vupen.com/english/advisories/2011/0327
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-014
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12537
• http://secunia.com/advisories/43253
• http://www.securityfocus.com/bid/46152
• http://www.securitytracker.com/id?1025049
• http://www.vupen.com/english/advisories/2011/0327
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-014
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12537

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