---
id: CVE-2026-21109
title: >-
  Improper access control in Watch Plugin prior to Android Watch 17 allows local
  attackers to access sensitive information.
summary: >-
  Improper access control in Watch Plugin prior to Android Watch 17 allows local
  attackers to access sensitive information.
severity: low
cvss: 2.1
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'
cwe:
  - CWE-284
vendor: Samsung Mobile
product: Watch Plugin
affected:
  - watch_plugin (all versions)
published: '2026-09-09'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T15:17:28.850'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-21109'
references:
  - url: 'https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=09'
    label: mobile.security@samsung.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-10T14:12:57.682683Z'
cvssSource: cna
ingestedAt: '2026-09-10T17:55:31.877Z'
epss: 0.00105
epssPercentile: 0.00982
---

## Overview

Improper access control in Watch Plugin prior to Android Watch 17 allows local attackers to access sensitive information.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.