In startNextMatchingActivity of ActivityTaskManagerService.java, there is a possible way to launch an activity from the background 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.
https://source.android.com/security/bulletin/2025-12-01
https://android.googlesource.com/platform/frameworks/base/+/d34ae40f870d4362a069940a035a4d58a536a231