What’s Vulnerable › Vulnerabilities

CVE-2009-0557: Microsoft Office Object Record Corruption Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-06-08
• EPSS: 52.8% 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

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."

Affected products

• Microsoft Office: 2000-sp3, 2003-sp3, 2004, 2007-sp1, 2007-sp2, 2008 (+1)
• Microsoft Office Compatibility Pack: 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://osvdb.org/54953
• http://www.securityfocus.com/bid/35241
• 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%3A5564
• http://osvdb.org/54953
• http://www.securityfocus.com/bid/35241
• http://www.securitytracker.com/id?1022351
• http://www.us-cert.gov/cas/techalerts/TA09-160A.html
• http://www.vupen.com/english/advisories/2009/1540

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