PIM's compatibility matrix shows all supported OS + major version and PIM's version.
For example, Solaris 11.4 is supported from DE421840 and Solaris 10 Update 11(1/13) from r12.8 SP1.
Can DE412840 be applied on Solaris 10?
Release : 12.8
Component : CA ControlMinder - Unix
Yes. latest cumulative patch can be applied all current supported OS version.
For example, DE421840 can be applied to Solaris 10 Update 11, Solaris 11 Update 3 and Solaris 11 Update 4.