ATMFD.DLL has been found to have a known vulnerability in Microsoft Windows servers, as stated in
https://www.zdnet.com/article/microsoft-warns-of-windows-zero-day-exploited-in-the-wild/
and it should therefore be removed or mitigated.
However it is necessary to know it these actions will have any impact on CA PIM
CA Priveged Identity Management (CA PIM) 12.9 on Windows