"Following widespread hacking from the Hafnium group and, perhaps, other groups, Microsoft is now offering the same patch for the no-longer-supported Exchange Server 2010 that it introduced last week for all newer editions... Patches for Exchange Servers 2010, 2013, 2016 and 2019 can be downloaded here..." https://www.scmagazine.com/home/pat...afnium-patch-for-defunct-edition-of-exchange/
