CVE-2011-1989

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."

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 59.68% Top 5%
Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12974 vdb entry signature
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072 vendor advisory
http://www.us-cert.gov/cas/techalerts/TA11-256A.html third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2011-1989?
CVE-2011-1989 has been scored as a critical severity vulnerability.
How to fix CVE-2011-1989?
To fix CVE-2011-1989, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1989 being actively exploited in the wild?
It is possible that CVE-2011-1989 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~60% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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