Applies ToSharePoint Server Subscription Edition

Summary 

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

Notes: 

  • This is build 16.0.17928.20290 of the security update package.

  • To apply this security update, you must have the release version of Microsoft SharePoint Server Subscription Edition installed on the computer.

Improvements and fixes

This security update contains fixes for the following nonsecurity issues in SharePoint Server Subscription Edition:

  • Fixes an issue that affects restricting SPSerialization by using a new allow list mechanism. This cause pages that have third-party web parts or controls not to load successfully. For more information, see Nested third-party web parts or controls experience display problems (KB5049566).

  • Fixes an issue in which UI elements of the command bar disappear when you zoom in or zoom out the browser.

  • Fixes an issue in which you cannot upload folders if the folder name contains similar characters from an extended range of supported characters.

  • Fixes an issue where reordering the tile in the Hero web part doesn't work.

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 5002651.

File hash information

File name

SHA256 hash

uber-subscription-kb5002658-fullfile-x64-glb.exe

C6A1870A7582E781908DDC6B606C6F690B22D09991EFCA6457F524B1F523A65A

File information

Download the list of files that are included in security update 5002658.

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.