Is it normal for my CPU to appear locked at 4.68 GHz when its base speed shows 3.6 GHz?

No games or anything significant is running on my PC. I noticed this and it just seems really weird, it seems to be locked a 4.68GHz:

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I’m wondering if maybe I overclocked it and forgot. I’m pretty na├»ve as far as far as hardware goes. Does this really mean its running at 4.68GHz constantly, or am I misunderstanding the UI?