CVE-2026-28620 Auth bypass in Android

High 7.8 Published 8 Sep 2026 Updated 10 Sep 2026

Local attackers can bypass permissions to gain unauthorized URI access and escalate privileges on Android devices without user interaction.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2026-28620?

CVE-2026-28620 is a high-severity authentication bypass vulnerability in Google Android, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In multiple locations, there is a possible unauthorized URI access 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.

Weakness: CWE-863

Which versions are affected by CVE-2026-28620?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-28620?

Apply the vendor's patch.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-28620 being exploited?

There is no known exploitation of CVE-2026-28620 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-477024345, ASB-A-477024345, GHSA-wj69-p676-h77h.