CVE-2026-21044 Missing authorization in Samsung Mobile Devices

Medium 5.8 Published Updated

Local attackers can bypass application persistence configuration in Samsung Mobile devices due to improper authorization in KnoxGuardManager.

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-2026-21044?

CVE-2026-21044 is a medium-severity missing authorization vulnerability in Samsung Mobile Devices, published on 10 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper authorization in KnoxGuardManager prior to SMR Jul-2026 Release 1 allows local attackers to bypass the persistence configuration of the application.

Which versions are affected by CVE-2026-21044?

How do I fix CVE-2026-21044?

No fix has been published for CVE-2026-21044 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-21044 being exploited?

There is no known exploitation of CVE-2026-21044 in the wild and no public exploit code.

Sources

Also known as GHSA-rfw7-pwxc-fjjf.

Is CVE-2026-21044 in your software?

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