It is planned to install MSXML technology of MSXML 6.0 on HUB UIM servers
Please confirm if its execution would affect the operation of the UIM HUBs.
Release : 20.3/20.4 CU5
Windows server 2012 R2
Please see KB below
UIM security Vulnerability for Microsoft XML Parser
Vulnerability remediation is not fixed with UIM 20.4 CU5, but is being worked upon.
Tentative ETA early 2023.