https://support.microsoft.com/en-us/topic/a-new-version-of-the-windows-update-offline-scan-file-wsusscn2-cab-is-available-for-advanced-users-fe433f4d-44f4-28e3-88c5-5b22329c0a08
A new version of the Windows Update offline scan file, Wsusscn2.cab, is available for advanced...
Describes the new Windows Update offline scan tool and changes that need to be incorporated for use.