CVE-2026-21040 Missing authorization in Samsung Mobile Devices
Local privileged attackers can exploit improper access control in IAFDService to access privileged APIs on Samsung mobile devices.
- 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-2026-21040?
CVE-2026-21040 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 access control in IAFDService prior to SMR Jul-2026 Release 1 allows local privileged attackers to use the privileged APIs.
Which versions are affected by CVE-2026-21040?
How do I fix CVE-2026-21040?
No fix has been published for CVE-2026-21040 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-2026-21040 being exploited?
There is no known exploitation of CVE-2026-21040 in the wild and no public exploit code.
Sources
Also known as GHSA-5xcv-2pqj-94j5.