What’s Vulnerable › Vulnerabilities

CVE-2011-0105

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 70.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2011-04-13 · updated 2026-06-16
• Weakness: CWE-119

Description

Microsoft Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac obtain a certain length value from an uninitialized memory location, which allows remote attackers to trigger a buffer overflow and execute arbitrary code via a crafted Excel file, aka "Excel Data Initialization Vulnerability."

Affected products

• Microsoft Excel 2013 Service Pack 1: 2002-sp3
• Microsoft Office: 2004, 2008
• Microsoft Open Xml File Format Converter: all versions

References

• http://secunia.com/advisories/39122
• 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%3A12618
• http://secunia.com/advisories/39122
• 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%3A12618

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