---
id: CVE-2026-21086
title: >-
  Improper authorization in ProxyHandler prior to SMR Aug-2026 Release 1 allows
  local attackers to access proxy configuration.
summary: >-
  Improper authorization in ProxyHandler prior to SMR Aug-2026 Release 1 allows
  local attackers to access proxy configuration.
severity: medium
cvss: 4.8
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'
cwe:
  - CWE-20
vendor: Samsung Mobile
product: Samsung Mobile Devices
affected:
  - devices (all versions)
published: '2026-09-09'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T15:17:25.700'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-21086'
references:
  - url: 'https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09'
    label: mobile.security@samsung.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-10T14:25:18.730627Z'
cvssSource: cna
epss: 0.00106
epssPercentile: 0.01262
ingestedAt: '2026-09-09T05:00:01.752Z'
---

## Overview

Improper authorization in ProxyHandler prior to SMR Aug-2026 Release 1 allows local attackers to access proxy configuration.

## Remediation

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