Summary

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 3 for the 2007 Microsoft Office Suite installed on the computer.

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 4011064.

File hash information

Package Name

Package Hash SHA 1

Package Hash SHA 2

xlconv2007-kb4011205-fullfile-x86-glb.exe

A0B25262B86850AE07EFA3D28B834E7CF12D4AF8

583ED463079C11DDFE957B00F82E457CB26ADD53CD14B2E8A21AF416E8DDEDBE

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 the times may change when you perform certain operations on the files.

For all supported x86-based versions of Microsoft Office Compatibility Pack Service Pack 3

File identifier

File name

File version

File size

Date

Time

xl12cnv.exe

excelcnv.exe|excelconv.exe

12.0.6780.5000

15,163,080

26-Oct-2017

01:42

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

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