Description of the security update for SharePoint Enterprise Server 2016: May 9, 2023 (KB5002397)

Summary

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

• Microsoft Common Vulnerabilities and Exposures CVE-2023-24950
• Microsoft Common Vulnerabilities and Exposures CVE-2023-24954
• Microsoft Common Vulnerabilities and Exposures CVE-2023-24955

Notes:

• This is build 16.0.5395.1000 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
• MinRole enhancements
• SharePoint Custom Tiles
• Hybrid Taxonomy
• 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:
• New features included in the November 2016 Public Update for SharePoint Server 2016 (Feature Pack 1)
• New features included in the September 2017 Public Update for SharePoint Server 2016 (Feature Pack 2)

Improvements and fixes

This security update contains an improvement and a fix for the following nonsecurity issue in SharePoint Enterprise Server 2016:

• Updates SharePoint search to be compatible with versions of the Hybrid Configuration Wizard and cloud hybrid search PowerShell configuration scripts that were released on or after May 9, 2023. Previous versions of the wizard and scripts used the Active Directory Authentication Library (ADAL) and Microsoft Online PowerShell module that will both reach the end of support on June 30, 2023. The new wizard and scripts use the Microsoft Authentication Library (MSAL) and Microsoft Graph PowerShell module that will remain in support after June 30, 2023.
• Fixes issues in the SharePoint Distributed Cache service that were first introduced in the January 10, 2023, security update for SharePoint Server 2016 (KB 5002338). Those issues include having difficulty connecting to the SharePoint Distributed Cache service if the service is running on servers that are assigned the custom server role, and having difficulty connecting to the Distributed Cache service if it’s running on another server in a multi-server SharePoint farm.

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.

• Download security update 5002397 for the 64-bit version of SharePoint Enterprise Server 2016

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 5002385.

File hash information

File name	SHA256 hash
sts2016-kb5002397-fullfile-x64-glb.exe	9D95857BF4AF28F674C211601E669C946A8ABEA767C8CC1F4A3BF244E1B8EFD5

File information

Download the list of files that are included in security update 5002397.

Information about protection and security

Protect yourself online: Windows Security supportLearn how we guard against cyber threats: Microsoft Security