CVE-2026-3428 Race condition in Member Center(华硕大厅)

Medium 5.4 Published Updated

Local attackers can escalate privileges to Administrator by exploiting a race condition in the ASUS Member Center update process to execute malicious payloads.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-3428?

CVE-2026-3428 is a medium-severity vulnerability in ASUS Member Center(华硕大厅), published on 16 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A Download of Code Without Integrity Check vulnerability in the update modules in ASUS Member Center(华硕大厅) allows a local user to achieve privilege escalation to Administrator via exploitation of a Time-of-check Time-of-use (TOC-TOU) during the update process, where an unexpected payload is substituted for a legitimate one immediately after download, and subsequently executed with administrative privileges upon user consent. Refer to the 'Security Update for ASUS Member Center' section on the ASUS Security Advisory for more information.

Weakness: CWE-494, CWE-367

Which versions are affected by CVE-2026-3428?

How do I fix CVE-2026-3428?

No fix has been published for CVE-2026-3428 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-3428 being exploited?

There is no known exploitation of CVE-2026-3428 in the wild and no public exploit code.

Sources

Also known as GHSA-49h6-4qj3-4f42.

Is CVE-2026-3428 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free