This security update resolves a Microsoft SharePoint Server information disclosure vulnerability and a Microsoft SharePoint Server spoofing vulnerability. To learn more about the vulnerabilities, see the following security advisories:
This is build 16.0.10401.20025 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 you cannot create or edit list items with a hyperlink column in the modern UI.
Fixes an issue in which the yellow bar visual indicator of missing required field values is displayed even if the item contains values for its required fields. This occurs when the view doesn't display the required fields.
Fixes an issue in which the Managed Metadata column and Person column display the ID of the term instead of the label name.
Fixes an issue in which attachments that are opened from a list do not behave according to the Open in the client application option.
Fixes an issue in which you cannot save list item changes when you update a choice column.
Fixes an issue in which the notification overlay appears behind the Grant Access panel.
Note: To fix these issues completely, you have to install KB 5002436 together with this update.
Known issues in this update
You experience an issue in which a web part or web form control on the web part page cannot be displayed. For more information, see Web part or web form control cannot be displayed on SharePoint web part page (KB5029605).
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 5002403.
File hash information
Information about protection and security
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