High severity7.8NVD Advisory· Published Mar 16, 2022· Updated Jun 17, 2026

CVE-2021-39704

Description

In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification 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-12Android ID: A-209965481

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Google/Android SDKcpe-rescue
Google/Androidllm-fuzzy
Range: 10, 11, 12

Patches

Vulnerability mechanics

References

source.android.com/security/bulletin/2022-03-01nvdPatchVendor Advisory

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