CVE-2026-28634 – In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD

In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD request without permission due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.