Applies ToSharePoint Server 2019

Summary 

This security update resolves a Microsoft SharePoint remote code execution vulnerability, Microsoft SharePoint elevation of privilege vulnerability, Microsoft SharePoint information disclosure vulnerability, and Microsoft Office remote code execution vulnerability. To learn more about the vulnerabilities, see the following security advisories:

Notes: 

  • This is build 16.0.10416.20026 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 a fix for the following nonsecurity issue in SharePoint Server 2019:

This security update also contains an improvement. To get the improvement, you have to install KB 5002664 together with this update.

  • Adds a banner in Central Administration to notify customers about the end of support for Search Content Service (SCS)-based hybrid search.

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.

More information

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 5002650.

File hash information

File name

SHA256 hash

sts2019-kb5002657-fullfile-x64-glb.exe

E0C37480B2594110C6978FD16D9EB2C074446F3D894EB96BCB33ACFFF9FD4380

File information

Download the list of files that are included in security update 5002657.

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.