CVE-2026-21086: CWE-20: Improper Input Validation in Samsung Mobile Samsung Mobile Devices
CVE-2026-21086 is a medium severity vulnerability in Samsung Mobile Devices involving improper authorization in the ProxyHandler component. This flaw allows local attackers to access proxy configuration settings prior to the SMR Aug-2026 Release 1. The vulnerability is related to improper input validation (CWE-20). No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-21086) affects Samsung Mobile Devices and is caused by improper authorization in the ProxyHandler component before the SMR Aug-2026 Release 1. It allows local attackers with limited privileges to access proxy configuration, which should normally be restricted. The issue is categorized under CWE-20 (Improper Input Validation). The CVSS 4.0 base score is 4.8, indicating medium severity. There is no vendor advisory or patch information available at this time.
Potential Impact
Local attackers with limited privileges can access proxy configuration settings on affected Samsung Mobile Devices. This could potentially lead to unauthorized changes or information disclosure related to proxy configurations. The impact is limited by the requirement for local access and the medium severity score.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only to reduce risk.
CVE-2026-21086: CWE-20: Improper Input Validation in Samsung Mobile Samsung Mobile Devices
Description
CVE-2026-21086 is a medium severity vulnerability in Samsung Mobile Devices involving improper authorization in the ProxyHandler component. This flaw allows local attackers to access proxy configuration settings prior to the SMR Aug-2026 Release 1. The vulnerability is related to improper input validation (CWE-20). No official patch or remediation guidance has been provided yet.
CVSS v4.0
Score 4.8medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-21086) affects Samsung Mobile Devices and is caused by improper authorization in the ProxyHandler component before the SMR Aug-2026 Release 1. It allows local attackers with limited privileges to access proxy configuration, which should normally be restricted. The issue is categorized under CWE-20 (Improper Input Validation). The CVSS 4.0 base score is 4.8, indicating medium severity. There is no vendor advisory or patch information available at this time.
Potential Impact
Local attackers with limited privileges can access proxy configuration settings on affected Samsung Mobile Devices. This could potentially lead to unauthorized changes or information disclosure related to proxy configurations. The impact is limited by the requirement for local access and the medium severity score.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.826Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa13d61acd9273b49346503
Added to database: 09/09/2026, 11:05:05 UTC
Last enriched: 09/09/2026, 11:05:58 UTC
Last updated: 09/09/2026, 22:52:09 UTC
Views: 10
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.