CVE-2026-21074 Privilege escalation in Bixby
Local attackers can execute arbitrary commands with Bixby privileges due to incorrect default permissions in Samsung Bixby.
- 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-2026-21074?
CVE-2026-21074 is a high-severity vulnerability in Samsung Mobile Bixby, published on 10 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Incorrect default permissions in Bixby prior to version 4.0.86.0 allows local attackers to execute arbitrary commands with Bixby privilege.
Weakness: CWE-276
Which versions are affected by CVE-2026-21074?
How do I fix CVE-2026-21074?
No fix has been published for CVE-2026-21074 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21074 being exploited?
There is no known exploitation of CVE-2026-21074 in the wild and no public exploit code.
Sources
Also known as GHSA-2xcm-9h5p-f5jp.