CVE-2011-1990

Critical

Description

Microsoft Excel 2007 SP2; Excel in Office 2007 SP2; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; and Excel Services on Office SharePoint Server 2007 SP2 do not properly validate the sign of an unspecified array index, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Out of Bounds Array Indexing Vulnerability."

SeverityCritical

CVSS9.3

Exploit probability—

Product

Microsoft Excel

PublishedSep 15, 2011

First seenSep 15, 2011

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072

Affected products

Product	Affected versions	Fixed in
microsoft excel	2007	—
microsoft excel_viewer	No range specified	—
microsoft office	2007	—
microsoft office_compatibility_pack	2007	—
microsoft sharepoint_server	2007	—

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