CVE-2009-3127

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 25.1% 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 and 2003 SP3, Office 2004 and 2008 for Mac, Open XML File Format Converter for Mac, and Office Excel Viewer 2003 SP3 do not properly parse the Excel file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Cache 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%3A6146
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%3A6146

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