This has happened to me twice now and it's really scary to talk about because I feel like it's a huge invasion of privacy. For some odd reason, my teammates were able to hear me even though I didn't have my push-to-talk clicked. I tried unbinding the push to talk, resetting my settings to default, turn off team chat and party chat, but regardless my teammates could hear everything I said even with my hands in the air. Even worse, I didn't even know I was talking because the voice icon wasn't showing up like it normally would whenever you talk in game. This is really troubling because I was talking about sensitive stuff in person and were just casually listening to the stuff I was saying in game without me knowing until someone decided to let me know..