CVE-2022-20448: Google Android

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In buzzBeepBlinkLocked of NotificationManagerService.java, there is a possible way to share data across users due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-237540408

Affected products

  • Google Android: version 10.0 only; version 11.0 only; version 12.0 only; version 12.1 only; version 13.0 only

Published 2022-11-08. Last modified 2026-06-17.