This security update resolves a cross-site–scripting (XSS) vulnerability that exists when Microsoft SharePoint Server does not correctly sanitize a specially crafted web request that's made to an affected SharePoint server. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-0831.
Note To apply this security update, you must have the release version of Service Pack 1 for Microsoft SharePoint Server 2013 installed on the computer.
How to get and install the update
Method 1: Microsoft Update
This update is available through Windows 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 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: April 9, 2019.
Security update replacement information
This security update replaces previously released security update 4462202.
File hash information
Download the list of files that are included in security update 4464511.
How to get help and support for this security update
Help for installing updates: Protect yourself online
Help for protecting your Windows-based computer from viruses and malware: Microsoft Security
Local support according to your country: International Support