What’s Vulnerable › Vulnerabilities

CVE-2009-1134

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 35.7% 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 2007 Microsoft Office System SP1 and SP2; 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 BIFF file with a malformed Qsir (0x806) record object, aka "Record Pointer Corruption 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://osvdb.org/54958
• http://www.securityfocus.com/archive/1/504213/100/0/threaded
• http://www.securityfocus.com/bid/35246
• http://www.securitytracker.com/id?1022351
• http://www.us-cert.gov/cas/techalerts/TA09-160A.html
• http://www.vupen.com/english/advisories/2009/1540
• http://www.zerodayinitiative.com/advisories/ZDI-09-040/
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5922
• http://osvdb.org/54958
• http://www.securityfocus.com/archive/1/504213/100/0/threaded
• http://www.securityfocus.com/bid/35246

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