This security update resolves a Microsoft SharePoint Server elevation of privilege vulnerability, Microsoft SharePoint denial of service vulnerability, and Microsoft SharePoint Server spoofing vulnerability. To learn more about the vulnerabilities, see the following security advisories:
This is build 16.0.10399.20005 of the security update package.
To apply this security update, you must have the release version of Microsoft SharePoint Server 2019 installed on the computer.
Improvements and fixes
This security update contains fixes for the following nonsecurity issues in SharePoint Server 2019 Language Pack:
Fixes an issue in which a new modern page is always added to the root folder when you create the page in a subfolder of the Site Pages library.
Fixes an issue in which the resolved user in a PersonWithoutPresence field temporarily shows "No Results" instead of populating the field immediately after you select the user.
Fixes an issue in which Document ID is not available in the property information section of each document.
Fixes an issue in which images that have an .svg file extension do not open or show a preview on the document library page.
Note: To fix these issues completely, you have to install KB 5002402 together with this update.
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 Deployments - Security Update Guide.
Security update replacement information
This security update replaces previously released security update 5002330.
File hash information
Information about protection and security
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