Updates for SharePoint Server 2016 (August 2023 CU)

13.8.2023    |    komentáře   komentářů: 0

A new cumulative update (August 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:
16.0.5408.1000 (Language independent CU)
16.0.5408.1000 (Language dependent CU)

SharePoint 2016 CU – KB articles describing the CU:

  • KB 5002453 – August 2023 Update for SharePoint Server 2016 (language independent)
  • KB 5002398 – August 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 KB5002453 and KB5002398 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.

A web part or web form control may fail to display when an unsupported unsafe property name is used for DataFormParameter. ULS records 6ipo0 and Found an unsafe PropertyName: <UnsafePropertyName>. Under KB5029605, a farm administrator can add the reported property to WebPartSupportedSimplePropertyNames:

add-pssnapin *
$f=get-spfarm
$f.AddGenericAllowedListValue("WebPartSupportedSimplePropertyNames","<UnsafePropertyName>")
$f.update()

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

Both KB5002453 and language-dependent KB5002398 address SharePoint Server information disclosure: CVE-2023-36894.

The core package KB5002453 includes these SharePoint Server changes:

  • Adds every web application pool account to WSS_WPG on every farm server.

  • Fixes an issue where a SharePoint server running Distributed Cache cannot rejoin a farm with multiple servers.

  • Fixes an issue where usage analytics reports fail after upgrading the Search Administration database of a SharePoint Server 2013 Search Service Application (SSA).

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