The activity with intent was not found : Unable to start the activity with intent : The application cannot draw overlays dumpsys activity Could not execute dumpsys activity command Device is vulnerable to b/205595291 hence any app with SYSTEM_ALERT_WINDOW can overlay the HarmfulAppWarningActivity screen android/com.android.internal.app.HarmfulAppWarningActivity mResumed=true overlayattack OverlayButton Unable to start the overlay service Overlay UI did not appear on the screen android.security.cts.CVE_2021_39796 The HarmfulAppWarningActivity is not currently running on the device android.security.cts.CVE_2021_39796_harmful android.security.cts.CVE_2021_39796_harmful.PocActivity