CVE-2026-21070
Analyzed Analyzed - Analysis Complete

Improper Input Validation in Samsung Message Prior to SMR Aug-2026

Vulnerability report for CVE-2026-21070, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-10

Last updated on: 2026-08-19

Assigner: Samsung Mobile

Description

Improper input validation in Samsung Message prior to SMR Aug-2026 Release 1 allows physical attackers to access sensitive information.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-10
Last Modified
2026-08-19
Generated
2026-08-30
AI Q&A
2026-08-10
EPSS Evaluated
2026-08-29
NVD
EUVD

Affected Vendors & Products

Showing 78 associated CPEs
Vendor Product Version / Range
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

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Executive Summary

Improper input validation in Samsung Message before SMR Aug-2026 Release 1 allows physical attackers to access sensitive information.

Detection Guidance

This vulnerability involves improper input validation in Samsung Message, which may allow physical attackers to access sensitive information. Detection would require checking the Samsung Message application version and ensuring it is updated to the SMR Aug-2026 Release 1 or later. No specific commands are provided in the context to detect this issue directly.

Impact Analysis

A physical attacker could exploit this to access sensitive data stored or processed by the Samsung Message application.

Compliance Impact

The vulnerability allows physical attackers to access sensitive information due to improper input validation in Samsung Message. This could potentially lead to unauthorized data exposure, which may impact compliance with regulations like GDPR or HIPAA if sensitive personal or health data is involved. However, specific compliance impacts are not detailed in the provided context.

Mitigation Strategies

Apply the SMR Aug-2026 Release 1 update or later from Samsung to patch the improper input validation issue in Samsung Message.

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EPSS Chart