What’s Vulnerable › Vulnerabilities

CVE-2011-0098

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 30.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-04-13 · updated 2026-06-16
• Weakness: CWE-189

Description

Integer signedness error in Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via an XLS file with a large record size, aka "Excel Heap Overflow Vulnerability."

Affected products

• Microsoft Excel 2013 Service Pack 1: 2002-sp3, 2003-sp3, 2007-sp2, 2010
• Microsoft Excel Viewer: all versions
• Microsoft Office: 2004, 2008
• Microsoft Office Compatibility Pack: 2007-sp2
• Microsoft Open Xml File Format Converter: all versions

References

• http://osvdb.org/71759
• http://secunia.com/advisories/39122
• http://secunia.com/secunia_research/2011-32/
• http://www.securityfocus.com/bid/47235
• http://www.securitytracker.com/id?1025337
• http://www.us-cert.gov/cas/techalerts/TA11-102A.html
• http://www.vupen.com/english/advisories/2011/0940
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12034
• http://osvdb.org/71759
• http://secunia.com/advisories/39122
• http://secunia.com/secunia_research/2011-32/

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