Description of the security update for Excel 2013: November 14, 2017

Applies to: Microsoft Office 2013 Service Pack 1Excel 2013


This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2017-11877 and Microsoft Common Vulnerabilities and Exposures CVE-2017-11878.

Note To apply this security update, you must have the release version of Service Pack 1 for Microsoft Office 2013 installed on the computer.

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 Click-to-Run editions, such as Microsoft Office 365 Home (see Determining your Office version).

Improvements and fixes

This security update contains the following improvements and fixes the following nonsecurity issues:
  • Assume that you have Office Web Apps Server 2013 installed. In the on-premises version of Microsoft Word Online and Microsoft PowerPoint Online, decimal values are truncated in a chart axis or data label.
  • When you use Microsoft Excel embedded in a previewer application (such as Windows Explorer preview pane), the worksheet in the preview window becomes unresponsive after you switch the focus away and then back.

  • Calculated column value is not imported from an external data source.

  • When you try to edit the properties of a data connection in Excel 2013, you receive the following error message:


  • Correct the translation of the TRIM function in the Dutch version of Excel 2013.

  • When you undo some operations that involve multiple selected regions in Excel 2013, formulas may not be restored.

How to get and install the update

Method 1: Microsoft Update

This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

More Information

Security update deployment information

For deployment information about this update, see security update deployment information: November 14, 2017.

Security update replacement information

This security update replaces previously released security update KB 4011108.

File hash information

Package Name Package Hash SHA 1 Package Hash SHA 2
excel2013-kb4011233-fullfile-x64-glb.exe BB219AB0287C680595A0750A1EA87DF50AFF53A2 6BFD41F850F5273911D7930B119D17EEF1157C23DE3D8329A3EC23C3ED869558
excel2013-kb4011233-fullfile-x86-glb.exe 55B4C0022D0E0F54CDF951B22410849FF28116BF 18E80B7021FB193276960BAD008B8034190242568237F793E59B80E774457D3C

File information

The English version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight-saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

How to get help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

Propose a feature or provide feedback on Office: Office User Voice portal