A new cumulative update (April 2025 CU) has been released for SharePoint Server Subscription Edition.
SP Build:
16.0.18526.20172
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 5002705 – April 2025 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 remote code execution vulnerabilities: CVE-2025-29793, CVE-2025-29794.
The unified update in KB 5002705 includes this SharePoint Server Subscription Edition improvement:
- Strengthens security checks and validation during authentication.