CVE-2026-21058
Analyzed Analyzed - Analysis Complete

Improper Input Validation in Samsung Contacts

Vulnerability report for CVE-2026-21058, 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 Contacts prior to SMR Aug-2026 Release 1 allows local attackers to delete file with Samsung Contacts' privilege.

CVSS Scores

EPSS Scores

Probability:
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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 91 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 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 16.0
samsung android 16.0

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

This vulnerability is an improper input validation issue in Samsung Contacts prior to the SMR Aug-2026 Release 1. It allows local attackers to delete files using Samsung Contacts' elevated privileges.

Detection Guidance

Detection of this vulnerability requires checking for improper input validation in Samsung Contacts prior to SMR Aug-2026 Release 1. Review installed versions of Samsung Contacts and verify if updates are applied. Check for unauthorized file deletions linked to Samsung Contacts privileges.

Impact Analysis

An attacker could exploit this to delete important files on your device by leveraging Samsung Contacts' permissions. This could lead to data loss or disruption of contact-related functionality.

Compliance Impact

The vulnerability allows local attackers to delete files with Samsung Contacts' privilege due to improper input validation. This could lead to unauthorized data deletion, potentially impacting data integrity and availability. However, the provided CVE details do not specify direct implications for GDPR or HIPAA compliance.

Mitigation Strategies

Update Samsung Contacts to the SMR Aug-2026 Release 1 or later to address the improper input validation issue that allows local attackers to delete files with elevated privileges.

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EPSS Chart