Possible Local Escalation of Privilege Vulnerability in EnsureSetPipAspectRatioQuotaTracker

Summary

In ensureSetPipAspectRatioQuotaTracker of ActivityClientController.java, there is a possible way to generate unmovable and undeletable pip windows 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.