VULNERABILITY INTELLIGENCE

CVE-2011-1989

CVSS score9.3 HIGH
EPSS probability27.77%
CISA KEVNot currently listed
Published2011-09-15
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:C/I:C/A:C

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."

Weakness classification

  • CWE-20: Improper Input Validation

Primary references