Description of the security update for Office for Mac 2011 14.7.7: September 12, 2017


None 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-2017-8631](<https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8631>), [CVE-2017-8632](<https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8632>), and [CVE-2017-8742](<https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8742>). **Note** If you already have Office 2016 for Mac installed and you don't want to receive Office for Mac 2011 updates, follow the steps in [Uninstall Office 2011 for Mac](<https://support.office.com/article/uninstall-office-2011-for-mac-4bfcd230-0ea1-4656-bf30-dbfa44d358fa>). 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, see [Office frequently asked questions.](<http://go.microsoft.com/fwlink/?linkid=270016>) ## Improvements and fixes This update fixes critical issues and also helps to improve security. This security update provides the latest fixes for Office for Mac 2011. ![](https://support.content.office.net/en-us/media/2e3ec92f-20c5-fb87-4361-86219f3dfa0d.jpg)**NOTE** Office 2011 will no longer be updated. Learn more [here](<https://support.office.com/en-us/article/How-do-I-upgrade-to-Office-2016-ee68f6cf-422f-464a-82ec-385f65391350>) about upgrading Office for Mac. ## Deployment information For deployment details for this security update, see the following article in the Microsoft Knowledge Base:Security update deployment information: September 12, 2017 ## How to obtain and install the update ### Method 1: Microsoft AutoUpdate for Mac This update is available from Microsoft AutoUpdate. AutoUpdate is provided together with Office. It automatically keeps Microsoft software up to date. To use AutoUpdate, start a Microsoft Office program, and then click **Check for Updates** on the **Help** menu. ### 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. * [Download the Microsoft Office for Mac 14.7.7 update package now](<http://download.microsoft.com/download/5/9/4/594DAFCA-9BA8-4264-88F6-220AC2BB967A/Office2011-1477Update_EN-US.dmg>) ### 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. ## More information ### Prerequisites Before you install the Office for Mac 2011 14.7.7 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 version should be **14.1.0** or a later version. ### Update replacement information This security update replaces security update 3212224. ### How to obtain help and support for this security update Security solutions for IT professionals: [TechNet Security Support and Troubleshooting](<https://technet.microsoft.com/security/bb980617.aspx>) Local support according to your country: [International Support](<https://www.microsoft.com/en-us/locale.aspx>)