Unfortunately, there are three distinct versions of Acrobat Reader making the rounds, and this spyware 'feature' affects only one of them. If you haven't looked at the Adobe Acrobat Reader lately - I haven't used it in years, due to security concerns - this latest privacy twist warrants your attention.
The situation's a little more complex, but for most people using Adobe Acrobat Reader, Chrome spyware comes along for the ride. Without your knowledge or consent, the security patch installs a Chrome browser extension that's spyware, pure and simple. The latest version of the venerable (and oh-so-holey) PDF viewing routine, Acrobat Reader DC 15.023.20053, released this week, looks for information about your Google Chrome surfing habits.