CVE-2026-21100: CWE-284: Improper Access Control in Samsung Mobile Samsung Mobile Devices
CVE-2026-21100 is an improper access control vulnerability in the SystemUI component of Samsung Mobile Devices prior to the SMR Sep-2026 Release 1. This flaw allows local attackers to launch arbitrary activities without proper authorization. The vulnerability has a medium severity rating with a CVSS 4.0 score of 6.9. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild.
AI Analysis
Technical Summary
This vulnerability involves improper access control (CWE-284) in the SystemUI of Samsung Mobile Devices before the SMR Sep-2026 Release 1. It enables local attackers to launch arbitrary activities, potentially leading to unauthorized actions on the device. The CVSS 4.0 vector indicates the attack requires local access with low complexity and no privileges or user interaction, but results in high impact on availability. The vulnerability is published but lacks an official remediation level or patch information.
Potential Impact
Local attackers can exploit this vulnerability to launch arbitrary activities on affected Samsung Mobile Devices, potentially disrupting device availability or causing unauthorized behavior. The impact is rated as medium severity with a CVSS score of 6.9. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should limit local access to trusted parties and monitor for updates from Samsung Mobile regarding this vulnerability.
CVE-2026-21100: CWE-284: Improper Access Control in Samsung Mobile Samsung Mobile Devices
Description
CVE-2026-21100 is an improper access control vulnerability in the SystemUI component of Samsung Mobile Devices prior to the SMR Sep-2026 Release 1. This flaw allows local attackers to launch arbitrary activities without proper authorization. The vulnerability has a medium severity rating with a CVSS 4.0 score of 6.9. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild.
CVSS v4.0
Score 6.9medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper access control (CWE-284) in the SystemUI of Samsung Mobile Devices before the SMR Sep-2026 Release 1. It enables local attackers to launch arbitrary activities, potentially leading to unauthorized actions on the device. The CVSS 4.0 vector indicates the attack requires local access with low complexity and no privileges or user interaction, but results in high impact on availability. The vulnerability is published but lacks an official remediation level or patch information.
Potential Impact
Local attackers can exploit this vulnerability to launch arbitrary activities on affected Samsung Mobile Devices, potentially disrupting device availability or causing unauthorized behavior. The impact is rated as medium severity with a CVSS score of 6.9. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should limit local access to trusted parties and monitor for updates from Samsung Mobile regarding this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.829Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa13d64acd9273b4934653b
Added to database: 09/09/2026, 11:05:08 UTC
Last enriched: 09/09/2026, 11:07:21 UTC
Last updated: 09/09/2026, 22:52:09 UTC
Views: 11
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