What’s Vulnerable › Vulnerabilities

CVE-2010-1249

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 24.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2010-06-08 · updated 2026-06-16
• Weakness: CWE-94

Description

Buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 for Mac, Office 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via an Excel file with a malformed ExternName (0x23) record, aka "Excel Memory Corruption Vulnerability," a different vulnerability than CVE-2010-0823 and CVE-2010-1247.

Affected products

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

References

• http://osvdb.org/65232
• http://www.securityfocus.com/archive/1/511767/100/0/threaded
• http://www.securityfocus.com/bid/40527
• http://www.us-cert.gov/cas/techalerts/TA10-159B.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-038
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6634
• http://osvdb.org/65232
• http://www.securityfocus.com/archive/1/511767/100/0/threaded
• http://www.securityfocus.com/bid/40527
• http://www.us-cert.gov/cas/techalerts/TA10-159B.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-038
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6634

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