In setMediaButtonReceiver of MediaSessionRecord.java, there is a possible way to send a pending intent on behalf of system_server due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
[
{
"vendor": "Google",
"product": "Android",
"versions": [
{
"version": "14",
"status": "affected"
}
],
"defaultStatus": "unaffected"
}
]