What’s Vulnerable › Vulnerabilities

CVE-2009-2496

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 29.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-08-12 · updated 2026-06-16
• Weakness: CWE-119

Description

Heap-based buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 SP1, and Office Small Business Accounting 2006 allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Office Web Components Heap Corruption Vulnerability."

Affected products

• Microsoft Biztalk Server: 2002
• Microsoft Internet Security And Acceleration Server: 2004-sp3, 2006-sp1
• Microsoft Office: 2003-sp3, xp-sp3
• Microsoft Office Web Components: 2000-sp3, 2003-sp1, 2003-sp3, xp-sp3
• Microsoft Visual Studio .Net: 2003-sp1

References

• http://www.securitytracker.com/id?1022708
• http://www.us-cert.gov/cas/techalerts/TA09-223A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-043
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5645
• http://www.securitytracker.com/id?1022708
• http://www.us-cert.gov/cas/techalerts/TA09-223A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-043
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5645

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