CVE-2026-0018 Denial of service in Android

Medium 5.5 Published Updated

A local attacker can cause a persistent denial of service in Android via improper input validation in AccessibilityManagerService 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-2026-0018?

CVE-2026-0018 is a medium-severity denial of service vulnerability in Google Android, published on 1 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In multiple functions of AccessibilityManagerService.java, there is a possible persistent denial of service due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-20

Which versions are affected by CVE-2026-0018?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-0018?

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-2026-0018 being exploited?

There is no known exploitation of CVE-2026-0018 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-449392803, ASB-A-449392803, GHSA-3xcf-hvq9-vw7c.

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