CVE-2026-21108: Samsung Bixby Touch improper component export

CVE-2026-21108 · Severity: medium · CVSS 5.5 · Published 2026-09-09

Bixby Touch is Samsung's voice and touch interface for mobile devices. This vulnerability allows local attackers to access sensitive information by exploiting improperly exported Android application components. An attacker with physical or local access to a device could bypass security restrictions to view or manipulate private data.

Technologies: Samsung Bixby. Vendors: Samsung.

Quick answers

Is CVE-2026-21108 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-21108 being exploited in the wild.
How severe is CVE-2026-21108?
Medium severity, with a CVSS score of 5.5, published 9 September 2026.
Which products and versions are affected?
Samsung Bixby Touch prior to 4.3.01.17.
Is there a fix for CVE-2026-21108?
A patch was published on 2026-09-09: Version 4.3.01.17 resolves the vulnerability Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-21108 attacked?
It is attacked with local access, in a network appliance.
Am I affected by CVE-2026-21108?
Check whether you run Samsung Bixby or Samsung Bixby Touch at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is an improper export of Android application components in Bixby Touch prior to version 4.3.01.17. This allows local attackers to access sensitive information through exposed application components that should have been properly restricted. The attack requires local access to the device. The patch adds proper access control to restrict component exposure.

Affected products

  • Samsung Bixby Touch prior to 4.3.01.17

Timeline

  • 2026-09-09: disclosed
  • 2026-09-09: patched: Version 4.3.01.17 resolves the vulnerability

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.