Describes a security update that addresses vulnerabilities by correcting how Excel and other affected software validate data when they parse specially crafted Office files.

Introduction

Microsoft has released security bulletin MS15-033. This security bulletin contains all the relevant information about the security update for Microsoft Office for Mac 2011. To view the complete security bulletin, go to the following Microsoft website:

http://technet.microsoft.com/security/bulletin/MS15-033

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 how to subscribe, see the Frequently Asked Questions.

Improvements and fixes

This security update provides the latest fixes for Office for Mac 2011. These include the following:

Fixes an issue in which you cannot create Lync Online meetings in Outlook for Mac 2011 when certain fields are not set on the Lync Online server.
Fixes an issue in which free/busy information is not displayed when you schedule a meeting that includes contacts are opened by using an Address Book search.
Fixes an issue in which meetings that are set in the Coordinated Universal Time (Greenwich Mean Time) time zone are displayed incorrectly in Outlook for Mac 2011.
Fixes an issue in which Selection.Information(wdVerticalPositionRelativeToPage) returns an incorrect value for the vertical page position in certain scenarios in Word for Mac 2011.

How to obtain the update

The following file is available for download from the Microsoft Download Center:

Download the Microsoft Office for Mac 2011 14.4.9 update package now

Release Date: April 14, 2015

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

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.

Notes

The Office for Mac 2011 14.4.9 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,

For more information about resources for Office for Mac 2011, go to the following Microsoft website:
http://www.microsoft.com/mac

Detailed information

Prerequisites

Before you install the Office for Mac 2011 14.4.9 update, you should make sure that you have Office for Mac 2011 14.1.0 or a later version installed on the computer. Also, make sure that the computer is running Mac OS X v10.5.8 or a later version.

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 or a later version is installed on your computer, follow these steps:

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

Restart requirement

This update does not require you to restart your computer.

Removing the update

This security update cannot be uninstalled.

Update replacement information

This security update replaces update 3018888.

Status

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

MS15-033: Description of the Microsoft Office for Mac 2011 14.4.9 update: April 14, 2015