SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2011-1987

Array index error in 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; and Office…

HIGH 9.3EPSS 20.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 20.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Array index error in 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; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Out of Bounds Array Indexing Vulnerability."

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
20.49% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
microsoft/excel · microsoft/excel viewer · microsoft/office · microsoft/office compatibility pack · microsoft/open xml file format converter
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.