Updates for SharePoint Server 2016 (February 2023 CU)

19.2.2023    |    komentáře   komentářů: 0

A new cumulative update (February 2023 CU) has been released for SharePoint Server 2016.

This CU includes both Feature Pack 2, available since the September CU (September 2017 CU), and the earlier Feature Pack 1.

SP Build:
16.0.5383.1000 (Language independent CU)
16.0.5383.1000 (Language dependent CU)

SharePoint 2016 CU – KB articles describing the CU:

  • KB 5002350 – February 2023 Update for SharePoint Server 2016 (language independent)
  • KB 5002325 – February 2023 Update for SharePoint Server 2016 (language dependent)

SharePoint Server 2016 CU – CU download links:

After installation, remember to run the SharePoint 2016 Products Configuration Wizard or the following command:

PSConfig.exe -cmd upgrade -inplace b2b -wait -cmd applicationcontent -install -cmd installfeatures -cmd secureresources -cmd services -install

Important notes

Always install both packages in this order:

  1. language independent components (core CU)
  2. language-dependent components (language CU)

For language-dependent packages, the language you select does not matter because each package contains updates for all languages.

If you install a new language pack on a SharePoint Server 2016 farm, you must reinstall the language-dependent update afterwards.

Remember to keep Distributed Cache updated as well as SharePoint. See How to update Distributed Cache correctly (in Czech).

Note for this CU:

Both KB5002350 and KB5002325 require the release version of SharePoint Enterprise Server 2016.

Enabling the modern OneDrive for Business experience requires an active Software Assurance contract, whether enabled by this update or manually. Without an active contract at enablement, disable this experience.

Included fixes and improvements

The following overview summarizes the fixes and improvements in this CU based on the official Microsoft KB articles.

SharePoint Server 2016

KB5002350 addresses SharePoint Server elevation of privilege: CVE-2023-21717.

The language-dependent KB5002325 addresses remote code execution in Microsoft Word and elevation of privilege in SharePoint Server: CVE-2023-21716, CVE-2023-21717.

The core package KB5002350 includes this SharePoint Server fix:

  • Fixes an issue where blocked file extensions cause errors when creating or accessing folders and subsites.

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