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CVE-2026-21040: CWE-284: Improper Access Control in Samsung Mobile Samsung Mobile Devices

0
Medium
VulnerabilityCVE-2026-21040cvecve-2026-21040cwe-284
Published: 07/10/2026 (07/10/2026, 04:58:01 UTC)
Source: CVE Database V5
Vendor/Project: Samsung Mobile
Product: Samsung Mobile Devices

Description

CVE-2026-21040 is an improper access control vulnerability in the IAFDService component of Samsung Mobile Devices prior to the SMR Jul-2026 Release 1. It allows local privileged attackers to access privileged APIs without proper authorization. The vulnerability has a medium severity with a CVSS score of 6.9. No specific affected versions or patch information are provided in the available data.

CVSS v4.0

Score 6.9medium

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/10/2026, 05:33:38 UTC

Technical Analysis

This vulnerability involves improper access control in the IAFDService on Samsung Mobile Devices before the SMR Jul-2026 Release 1. Local attackers with some level of privilege can exploit this flaw to use privileged APIs that should be restricted. The CVSS 4.0 vector indicates that the attack requires local access with low complexity and no user interaction, and the attacker must have privileges. The impact includes high confidentiality and availability impact, but no cloud service or remote exploitation is involved. No official remediation or patch details are currently available.

Potential Impact

Local privileged attackers can leverage this vulnerability to access privileged APIs improperly, potentially leading to unauthorized actions or access within the device. The impact affects confidentiality and availability at a high level, but exploitation requires local privileged access, limiting the attack surface.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor Samsung Mobile advisories for updates and apply the SMR Jul-2026 Release 1 or later once available.

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Technical Details

Data Version
5.2
Assigner Short Name
SamsungMobile
Date Reserved
2025-12-11T01:33:35.815Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a50809568715ace43063763

Added to database: 07/10/2026, 05:18:13 UTC

Last enriched: 07/10/2026, 05:33:38 UTC

Last updated: 07/10/2026, 05:47:20 UTC

Views: 2

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