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CVE-2011-1989

CRITICAL
9.3
CVSS Severity Score
EPSS Score0.0360%
EPSS Percentile42.00th
PublishedSep 15, 2011
Last ModifiedApr 29, 2026

Vulnerability 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."

Affected Platforms (CPE)

πŸ“¦
Microsoft

Excel

= 2003
πŸ“¦
Microsoft

Excel

= 2007
πŸ“¦
Microsoft

Excel

= 2010
πŸ“¦
Microsoft

Excel

= 2010
πŸ“¦
Microsoft

Excel

= 2010
πŸ“¦
Microsoft

Excel

= 2010
πŸ“¦
Microsoft

Excel Viewer

All versions
πŸ“¦
Microsoft

Excel Web App

= 2010
πŸ“¦
Microsoft

Excel Web App

= 2010
πŸ“¦
Microsoft

Office

= 2004
πŸ“¦
Microsoft

Office

= 2007
πŸ“¦
Microsoft

Office

= 2008
πŸ“¦
Microsoft

Office

= 2010
πŸ“¦
Microsoft

Office

= 2010
πŸ“¦
Microsoft

Office

= 2010
πŸ“¦
Microsoft

Office

= 2010
πŸ“¦
Microsoft

Office

= 2011
πŸ“¦
Microsoft

Office Compatibility Pack

= 2007
πŸ“¦
Microsoft

Open Xml File Format Converter

All versions
πŸ“¦
Microsoft

Sharepoint Server

= 2007
πŸ“¦
Microsoft

Sharepoint Server

= 2007
πŸ“¦
Microsoft

Sharepoint Server

= 2010
πŸ“¦
Microsoft

Sharepoint Server

= 2010

References & Advisories

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