This security update resolves a remote code execution vulnerability that exists in Microsoft Word software if it does not correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-1201 and Microsoft Common Vulnerabilities and Exposures CVE-2019-1205.
Note To apply this security update, you must have the release version of Office Online Server installed on the computer.
Improvements and fixes
This security update fixes the following issues in Office Online Server:
- Fix: You can't share PowerPoint presentations through Skype for Business.
- Fix: PowerPoint Online can't open files from SharePoint document libraries in Reading view .
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 standalone package for this update, go to the Microsoft Update Catalog website.
Method 3: Microsoft Download Center
You can get the standalone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.
Security update deployment information
For deployment information about this update, see security update deployment information: August 13, 2019.
Security update replacement information
This security update replaces previously released security update 4475511.
File hash information
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