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

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00145.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Samsung Mobile Samsung Mobile Devices affected
Version Status Constraints
SMR Aug-2026 Release in Android 14, 15 unaffected < *

No data.

No data.

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Vendors Products
Samsung Mobile Subscribe
Samsung Mobile Devices Subscribe

Project Subscriptions

Vendors Products
Samsung Mobile Subscribe
Samsung Mobile Devices Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=08 cve-icon
History

Mon, 10 Aug 2026 09:45:00 +0000

Type Values Removed Values Added
Title Improper Input Validation in Samsung Message Allows Physical Attackers to Access Sensitive Information
First Time appeared Samsung Mobile
Samsung Mobile samsung Mobile Devices
Weaknesses CWE-20
Vendors & Products Samsung Mobile
Samsung Mobile samsung Mobile Devices

Mon, 10 Aug 2026 08:30:00 +0000

Type Values Removed Values Added
Description Improper input validation in Samsung Message prior to SMR Aug-2026 Release 1 allows physical attackers to access sensitive information.
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-08-10T07:41:47.009Z

Reserved: 2025-12-11T01:33:35.824Z

Link: CVE-2026-21070

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-10T09:30:03Z

Weaknesses