Updates for SharePoint Server Subscription Edition (October 2024 CU)

13 October 2024    |    Comments   Comments: 0

A new cumulative update (October 2024 CU) has been released for SharePoint Server Subscription Edition.

SP Build:
16.0.17928.20162

Starting with the March 2023 CU, updates for SharePoint Server Subscription Edition are released as a single package (known as an Uber package) containing both language-independent and language-dependent fixes. Only one package needs to be installed to fully update the server.

SharePoint Subscription Edition CU – KB articles describing the CU:

  • KB 5002649 – October 2024 Update for SharePoint Server Subscription Edition

SharePoint Server Subscription Edition CU – CU download links:

After installation, remember to run the SharePoint 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

To speed up CU installation, I recommend following the guidance in How to speed up CU installation in SharePoint Server Subscription Edition.

The language you select when downloading the update does not matter because the same package is downloaded for every language.

Note for this CU:

Installing this update requires the release version of SharePoint Server Subscription Edition.

Included fixes and improvements

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

SharePoint Server Subscription Edition

This CU addresses an elevation of privilege vulnerability: CVE-2024-43503.

The unified update in KB 5002649 includes these SharePoint Server Subscription Edition changes:

  • Improves the performance of the Document Set template update job.

  • Mitigates functionality blocked in SPSE by the 2024 deprecation of JavaScript mutation events. The fix does not apply to SharePoint Server 2019 or 2016, where this issue does not block functionality.

  • Fixes an issue where Microsoft 365 incorrectly reports a script error while saving a document to a SharePoint library.

  • Fixes an issue where ParserServer.exe can stop responding.

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