This security update resolves a Microsoft Word remote code execution vulnerability and Microsoft SharePoint Server elevation of privilege vulnerability. To learn more about the vulnerabilities, see the following security advisories:
This is build 16.0.5413.1001 of the security update package.
To apply this security update, you must have the release version of Microsoft SharePoint Enterprise Server 2016 installed on the computer.
This public update delivers Feature Pack 2 for SharePoint Server 2016. Feature Pack 2 contains the following feature:
SharePoint Framework (SPFx)
This public update also delivers all the features that were included in Feature Pack 1 for SharePoint Server 2016, including:
Administrative Actions Logging
SharePoint Custom Tiles
OneDrive API for SharePoint on-premises
OneDrive for Business modern user experience (available to Software Assurance customers)
The OneDrive for Business modern user experience requires an active Software Assurance contract at the time that the experience is enabled, either by installation of the public update or by manual enablement. If you don't have an active Software Assurance contract at the time of enablement, you must turn off the OneDrive for Business modern user experience.
For more information, see the following Microsoft Learn articles:
Improvements and fixes
This security update contains improvements in SharePoint Enterprise Server 2016:
To improve the security of customer environments, Antimalware Scan Interface (AMSI) integration is now enabled by default for all new and existing web applications. For more information, see Configure AMSI integration with SharePoint Server.
Improves AMSI integration by not blocking web requests if AMSI can't successfully inspect the web request. A new health analyzer rule will notify SharePoint farm administrators if AMSI protection isn't functioning as expected.
This security update also contains an improvement in SharePoint Enterprise Server 2016. To get the improvement, you have to install KB 5002501 together with this update.
Adds a new health analyzer rule to check whether AMSI integration is enabled, and, if it is, to confirm that AMSI protection is functioning as expected. If AMSI protection isn't functioning as expected, the new health analyzer rule will notify SharePoint farm administrators through its health analyzer report, and provide recommended steps to fix the issue. For more information, see Antimalware Scan Interface (AMSI) protection may not be working (SharePoint Server).
Known issues in this update
New security enhancements in SharePoint Server might cause custom .aspx files not to be displayed under certain circumstances. Browsing to such a page generates a "92liq" event tag in SharePoint Unified Logging System (ULS) logs. For more information, see ASPX file cannot be displayed when you create a custom web part (KB5030804).
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 5002453.
File hash information
Information about protection and security
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