In validateAddingWindowLw of DisplayPolicy.java, there is a possible way for an app to intercept drag-and-drop events due to a missing permission check. 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/2026-03-01
https://source.android.com/docs/security/bulletin/2026/2026-03-01