Description
Microsoft Excel 2003 SP3 and 2007 SP2; Excel in Office 2007 SP2; Excel 2010 Gold and SP1; Excel in Office 2010 Gold and SP1; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; Excel Services on Office SharePoint Server 2007 SP2; Excel Services on Office SharePoint Server 2010 Gold and SP1; and Excel Web App 2010 Gold and SP1 do not properly parse conditional expressions associated with formatting requirements, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Conditional Expression Parsing Vulnerability."
References (3)
Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12974
Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072
US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA11-256A.html
Scores
EPSS
0.2114
EPSS Percentile
97.3%
Details
CWE
CWE-20
Status
published
Products (14)
microsoft/excel
2003 sp3
microsoft/excel
2007 sp2
microsoft/excel
2010 (4 CPE variants)
microsoft/excel_viewer
microsoft/excel_web_app
2010 (2 CPE variants)
microsoft/office
2004
microsoft/office
2007 sp2
microsoft/office
2008
microsoft/office
2010 (4 CPE variants)
microsoft/office
2011
... and 4 more
Published
Sep 15, 2011
Tracked Since
Feb 18, 2026