missing patch?

missing patch?

I'm having trouble understanding why a certain patch isn't applicable.

I can see MS17-010 in the patch database.  However, when I look at its list of affected OS's its different than what is shown on MS:  https://technet.microsoft.com/library/security/ms17-010?f=255&MSPPError=-2147217396

Is there any reason for the different information between your system and the actual security bulletin?  At this point I have no idea if my systems are covered or not.

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