MS15-110: Description of the security update for Office for Mac 2011: October 13, 2015

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 Security Bulletin MS15-110. Microsoft has released the Microsoft Office for Mac 2011 14.5.7 update. In addition to the application improvements that are mentioned in this article, Office for Mac 2011 is now available as a subscription offering. For more information about subscriptions, see Frequently Asked Questions. This update has prerequisites.

For a complete list of affected versions of Microsoft Office software, see KB3096440 .

Issues that the update fixes

This update provides the latest improvements for Office for Mac 2011 that include the following:

  • Ribbon customization in documents is now preserved by Mac Office 2011.
  • Calendar events that have online meeting details can now be edited in Outlook for Mac and opened in Outlook for Windows.

Download and install the update

How to obtain the update

The following file is available for download from the Microsoft Download Center: Release Date: October 13, 2015

For more information about how to download Microsoft support files, see how to obtain Microsoft support files from online services .

Virus-scan claim

Updated files

For a complete list of the files that this update adds or changes, double-click the update installer, and then click Show Files on the File menu.


  • The Office for Mac 2011 14.5.7 update is also available from Microsoft AutoUpdate for Mac. AutoUpdate is a program that automatically keeps Microsoft software up to date.
  • To use AutoUpdate, start an Office for Mac program, and then click Check for Updates on the Help menu. See resources for Office for Mac 2011 for more information.

Update information


Before you install the Office for Mac 2011 14.5.7 update, make sure that you have Office for Mac 2011 14.1.0 or a later version installed on your computer. Also, make sure that the computer is running Mac OS X 10.5.8 or a later version of the Mac OS X operating system.

To verify that the computer meets this prerequisite, click About This Mac on the Apple menu.

To verify that Office for Mac 2011 14.1.0 is installed on your computer, follow these steps:

  1. On the Go menu, click Applications.
  2. Open the Microsoft Office 2011 folder, and then start any Office application. (For example, start Microsoft Word).
  3. On the application menu, click About <application>.
  4. In the About <application> dialog box, note the version number that is displayed. The number should be 14.1.0 or a later version.

Restart requirement

This update does not require you to restart your computer.

Removing the update

This security update cannot be uninstalled.

Security update deployment information

For deployment information about this update, see Microsoft Knowledge Base Article 3096440 .

Update replacement information

This security update replaces security update 3088501 .


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


Identyfikator artykułu: 3097266 — ostatni przegląd: 13.10.2015 — zmiana: 1