In disassociate of DisassociationProcessor.java, there is a possible way for an app to continue reading notifications when not associated to a companion device due to improper input validation. 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/+/5ec1cdae1805dec292a2de5554896363eaa078eb
https://android.googlesource.com/platform/frameworks/base/+/31989869759e9b6119dc1cf324c395d789024908