CVE-2009-0559

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 29.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-06-10 · updated 2026-06-16
Weakness: CWE-94

Description

Stack-based buffer overflow in Excel in Microsoft Office 2000 SP3 and Office XP SP3 allows remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "String Copy Stack-Based Overrun Vulnerability."

Affected products

Microsoft Office: 2004, 2008, xp-sp3
Microsoft Office Compatibility Pack For Word Excel Ppt 2007: all versions
Microsoft Office Excel: 2000-sp3, 2003-sp3, 2007-sp1, 2007-sp2
Microsoft Office Excel Viewer: 2003-sp3
Microsoft Office Sharepoint Server: 2007-sp1, 2007-sp2
Microsoft Open Xml File Format Converter: all versions

References

http://www.securityfocus.com/bid/35243
http://www.securitytracker.com/id?1022351
http://www.us-cert.gov/cas/techalerts/TA09-160A.html
http://www.vupen.com/english/advisories/2009/1540
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6273
http://www.securityfocus.com/bid/35243
http://www.securitytracker.com/id?1022351
http://www.us-cert.gov/cas/techalerts/TA09-160A.html
http://www.vupen.com/english/advisories/2009/1540
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6273

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