CVE-2026-3508 Denial of service in ASUS System Control Interface

Medium 6.8 Published Updated

A local attacker can cause a system crash by triggering an out-of-bounds read in the ASUS System Control Interface IOCTL handler.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-3508?

CVE-2026-3508 is a medium-severity denial of service vulnerability in ASUS System Control Interface, published on 8 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An Out-of-bounds Read vulnerability in the IOCTL handler in ASUS System Control Interface allows a local user to cause system crash (BSOD) via a read size that exceeds the buffer size.Refer to the ' Security Update for MyASUS ' section on the ASUS Security Advisory for more information.

Weakness: CWE-125

Which versions are affected by CVE-2026-3508?

How do I fix CVE-2026-3508?

No fix has been published for CVE-2026-3508 yet. Limit exposure of the affected software until one is available.

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-2026-3508 being exploited?

There is no known exploitation of CVE-2026-3508 in the wild and no public exploit code.

Sources

Also known as GHSA-m3gg-rqf2-7qcj.

Is CVE-2026-3508 in your software?

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