MS15-116: Description of the security update for Office 2010: November 10, 2015

Summary
This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Microsoft Office file. To learn more about these vulnerabilities, see Microsoft Security Bulletin MS15-116.

Note To apply this security update, you must have the release version of Service Pack 2 for Office 2010 installed on the computer.

For a complete list of affected versions of Microsoft Office software, see KB3104540.

Improvements and fixes

This update also contains fixes for the following nonsecurity issue:
When you select a suggestion item from the suggestion list of a combo box in a workbook in Excel 2010, the selected suggestion item isn't selected in the combo box as expected.

Known issues in this security update

You may experience the following issue after you install this update:
  • Assume that you are prompted for credentials when you try to open a document from SharePoint in an Office 2010 application. After you enter the credentials, the Office 2010 application crashes. This issue occurs because of a known issue that exists in update KB3055034 which is cumulatively included in this security update.
    Microsoft is researching this problem and will post more information in this article when the information becomes available.
How to obtain 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 turn on automatic updating, see Get security updates automatically.

Method 2: Microsoft Download Center

You can obtain 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 Microsoft Knowledge Base Article KB3104540.

Security update replacement information

This security update replaces previously released update KB2687501.

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). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported x86-based versions of Office 2010

File identifierFile nameFile versionFile sizeDateTime
mso.dll.x86mso.dll14.0.7162.500018,661,56814-Oct-201510:01

For all supported x64-based versions of Office 2010

File identifierFile nameFile versionFile sizeDateTime
mso.dll.x64mso.dll14.0.7162.500024,331,96814-Oct-201510:09
mso.dll.x86mso.dll14.0.7162.500018,661,56814-Oct-201510:01

How to obtain help and support for this security update

Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support
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Article ID: 3101521 - Last Review: 11/26/2015 19:47:00 - Revision: 2.0

Microsoft Office 2010 Service Pack 2

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