CVE-2026-58718 Privilege escalation in Android

Medium 6.7 Published Updated

Local attackers with system privileges can escalate privileges due to improper input validation in the ARM SMMU driver.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2026-58718?

CVE-2026-58718 is a medium-severity vulnerability in Google Android, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In smmu_detach_dev_nested of arm-smmu-v3.c, there is a possible escalation of privilege due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-20

Which versions are affected by CVE-2026-58718?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-58718?

Apply the vendor's patch.

Is CVE-2026-58718 being exploited?

There is no known exploitation of CVE-2026-58718 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-511630167, GHSA-8cr2-hchq-m445, PUB-A-511630167.

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