Vulnerability Intelligence Report
CVE-2011-1989
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."
No Active Exploit Signals
CVSS Base Score
9.3
HIGH
EPSS Probability:21.14%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| microsoft | excel | 2003, 2007, 2010 |
| microsoft | excel_viewer | all |
| microsoft | excel_web_app | 2010 |
| microsoft | office | 2004, 2007, 2008, 2010, 2011 |
| microsoft | office_compatibility_pack | 2007 |
| microsoft | open_xml_file_format_converter | all |
| microsoft | sharepoint_server | 2007, 2010 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
21.135%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2011-05-09T00:00:00 |
| Published | 2011-09-15T10:00:00 |
| Patch Date | 2011-09-13 |
| Last Updated | 2024-08-06T22:46:00 |
Community Chatter & Buzz