What’s Vulnerable › Vulnerabilities

CVE-2009-2515

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-10-14 · updated 2026-06-16
• Weakness: CWE-189

Description

Integer underflow in the kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allows local users to gain privileges via a crafted application that triggers an incorrect truncation of a 64-bit integer to a 32-bit integer, aka "Windows Kernel Integer Underflow Vulnerability."

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows Server 2008: all versions
• Microsoft Windows Vista: sp1
• Microsoft Windows XP Service Pack 3: all versions

References

• http://www.us-cert.gov/cas/techalerts/TA09-286A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-058
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6506
• http://www.us-cert.gov/cas/techalerts/TA09-286A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-058
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6506

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