Microsoft has now blocked a few updates from being downloaded and installed due to a problem that exists between Sophos Antivirus and the updates.
The updates affected are:
Per the Known Issue note:
Microsoft and Sophos have identified an issue on devices with Sophos Endpoint Protection installed and managed by either Sophos Central or Sophos Enterprise Console (SEC) that may cause the system to freeze or hang upon restart after installing this update.
Microsoft has temporarily blocked devices from receiving this update if the Sophos Endpoint is installed until a solution is available. For more information see the Sophos support article.