CVE-2009-0557

Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "Object Record Corruption Vulnerability."

• CWE-94
• CWE-94

• https://osvdb.org/54953Broken Link
• https://www.securityfocus.com/bid/35241Broken Link, Third Party Advisory, VDB Entry
• https://www.securitytracker.com/id?1022351Broken Link, Third Party Advisory, VDB Entry
• https://www.us-cert.gov/cas/techalerts/TA09-160A.htmlBroken Link, Third Party Advisory, US Government Resource
• https://www.vupen.com/english/advisories/2009/1540Broken Link
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021Patch, Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5564Broken Link
• https://osvdb.org/54953Broken Link
• https://www.securityfocus.com/bid/35241Broken Link, Third Party Advisory, VDB Entry
• https://www.securitytracker.com/id?1022351Broken Link, Third Party Advisory, VDB Entry
• https://www.us-cert.gov/cas/techalerts/TA09-160A.htmlBroken Link, Third Party Advisory, US Government Resource
• https://www.vupen.com/english/advisories/2009/1540Broken Link
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021Patch, Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5564Broken Link
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0557US Government Resource

Published

Jun 10, 2009

Last Modified

Jun 16, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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