What’s Vulnerable › Vulnerabilities

CVE-2012-2543

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 26.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-11-14 · updated 2026-06-16
• Weakness: CWE-119

Description

Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac; Excel Viewer; and Office Compatibility Pack SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Stack Overflow Vulnerability."

Affected products

• Microsoft Excel 2013 Service Pack 1: 2007-sp2, 2007-sp3, 2010-sp1
• Microsoft Excel Viewer: all versions
• Microsoft Office: 2011
• Microsoft Office Compatibility Pack: all versions

References

• http://www.securityfocus.com/bid/56431
• http://www.securitytracker.com/id?1027752
• http://www.us-cert.gov/cas/techalerts/TA12-318A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-076
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15737
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15908
• http://www.securityfocus.com/bid/56431
• http://www.securitytracker.com/id?1027752
• http://www.us-cert.gov/cas/techalerts/TA12-318A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-076
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15737
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15908

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