New critical security vulnerability in some implementations of the Bluetooth standard (products from Apple, Broadcom, Intel, and Qualcomm are affected). This vulnerability DOES NOT affect Microsoft Windows

If exploited successfully, this vulnerability could allow attackers to intercept and decrypt all messages exchanged between devices or to enter malicious data within the communication.
Furthermore, the vulnerability also opens door to a man-in-the-middle attack that would let attackers monitor or manipulate traffic.

https://www.hackread.com/new-bluetooth-flaw-lets-attackers-monitor-traffic/