CVE-2026-49887 Auth bypass in Android

High 7.8 Published Updated

A permissions bypass in Android's InstallRepository allows local attackers to perform unauthorized app updates and escalate privileges 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-2026-49887?

CVE-2026-49887 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 maybeRemoveInvalidInstallerPackageName of InstallRepository.kt, there is a possible unauthorized app update 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-288

Which versions are affected by CVE-2026-49887?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-49887?

Apply the vendor's patch.

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

Is CVE-2026-49887 being exploited?

There is no known exploitation of CVE-2026-49887 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-480976221, ASB-A-480976221, GHSA-wmh9-6f9x-rr65.

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