What’s Vulnerable › Vulnerabilities

CVE-2009-3133

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 24.9% 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-94

Description

Microsoft Office Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code via a spreadsheet containing a malformed object that triggers memory corruption, related to "loading Excel records," aka "Excel Document Parsing Memory Corruption Vulnerability."

Affected products

• Microsoft Compatibility Pack Word Excel Powerpoint: 2007-sp1, 2007-sp2
• Microsoft Excel 2013 Service Pack 1: 2002-sp3, 2003-sp3, 2007-sp1, 2007-sp2
• Microsoft Excel Viewer: 2003-sp3
• Microsoft Office: 2004, 2008
• Microsoft Open Xml File Format Converter: all versions

References

• http://www.securitytracker.com/id?1023157
• http://www.us-cert.gov/cas/techalerts/TA09-314A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6265
• http://www.securitytracker.com/id?1023157
• http://www.us-cert.gov/cas/techalerts/TA09-314A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6265

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