# CVE-2026-21127: Samsung Account improper export of Android application components

Source: https://junglewise.ai/threats/cve-2026-21127-improper-export-of-android-application-components-in-samsung  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-21127 · Severity: info · Published 2026-10-12

Samsung Account is an application that manages Samsung user authentication and account services on Android devices. A flaw allows local attackers on the same device to access sensitive user data by exploiting improperly exported application components. An attacker with local access could read private account information without proper authentication.

Technologies: [Samsung Account](https://junglewise.ai/threats/technologies/account). Vendors: [Samsung](https://junglewise.ai/threats/vendors/samsung).

## Quick answers

**Is CVE-2026-21127 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-21127 being exploited in the wild.

**How severe is CVE-2026-21127?** Informational severity, published 12 October 2026.

**Which products and versions are affected?** Samsung Account prior to 15.7.01.1.

**Is there a fix for CVE-2026-21127?** Yes: fixed in 15.7.01.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-21127 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-21127?** Check whether you run Samsung Account 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.

## How to fix

- Fixed in 15.7.01.1

## Technical details

The vulnerability involves improper export of Android application components in Samsung Account, allowing local attackers to bypass component access controls. An attacker with local device access can interact with exported components to access sensitive data. The patch adds proper access control restrictions to exported components.

## Affected products

- Samsung Account prior to 15.7.01.1

## Timeline

- 2026-10-12: disclosed

## References

- [https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=10](https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=10)

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- [Improper handling of insufficient permissions or privileges in Samsung Account prior to version 15.5.00.18 allows…](https://junglewise.ai/threats/cve-2025-21076-improper-handling-of-insufficient-permissions-or-privileges-in)