An access issue was addressed with improved access restrictions. This issue is fixed in iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4, tvOS 17.4, watchOS 10.4. An app may be able to access Bluetooth-connected microphones without user permission.
https://support.apple.com/kb/HT214088
https://support.apple.com/kb/HT214086
https://support.apple.com/kb/HT214084
https://support.apple.com/kb/HT214081
https://support.apple.com/en-us/HT214088
https://support.apple.com/en-us/HT214086
https://support.apple.com/en-us/HT214084
https://support.apple.com/en-us/HT214081
https://support.apple.com/en-us/120895
https://support.apple.com/en-us/120893
https://support.apple.com/en-us/120882
https://support.apple.com/en-us/120881
http://seclists.org/fulldisclosure/2024/Mar/25