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…
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EPSS puts the probability of exploitation in the next 30 days at 21.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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."
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 21.14% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/excel · microsoft/excel viewer · microsoft/excel web app · microsoft/office · microsoft/office compatibility pack · microsoft/open xml file format converter · microsoft/sharepoint server
- Source
- secure@microsoft.com
References
- http://www.us-cert.gov/cas/techalerts/TA11-256A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12974
- http://www.us-cert.gov/cas/techalerts/TA11-256A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12974
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.