CVE-2026-28584 Denial of service in Android

Medium 5.5 Published Updated

A logic error in Android's PackageInstallerService allows local attackers to permanently deny service to the device without user interaction or elevated privileges.

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-2026-28584?

CVE-2026-28584 is a medium-severity denial of service 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 createSessionInternal of PackageInstallerService.java, there is a possible way to permanently DoS the device due to a logic error in the code. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-693

Which versions are affected by CVE-2026-28584?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-28584?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-28584 being exploited?

There is no known exploitation of CVE-2026-28584 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-472269954, ASB-A-472269954, GHSA-c2wq-4vm9-pvfc.

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