CVE-2026-21139

Awaiting Analysis Awaiting Analysis - Queue

Improper Access Control in Samsung Continuity Service

Publication date: 2026-10-12

Last updated on: 2026-10-15

Assigner: Samsung Mobile

Description

Improper access control in Samsung Continuity Service for windows prior to version 4.6.1217.0 allows adjacent attackers to manipulate the connected mobile device.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-12

Last Modified

2026-10-15

Generated

2026-10-19

AI Q&A

2026-10-12

EPSS Evaluated

2026-10-18

NVD

CVE-2026-21139

EUVD

EUVD-2026-97203

Affected Vendors & Products

Vendor	Product	Version / Range
samsung	continuity_service	4.6.1217.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is an improper access control issue in Samsung Continuity Service for Windows versions before 4.6.1217.0. It allows attackers within close proximity to manipulate connected mobile devices through the service.

Detection Guidance

This vulnerability involves improper access control in Samsung Continuity Service for Windows. Detection requires checking the installed version of Samsung Continuity Service. If the version is prior to 4.6.1217.0, the system is vulnerable. Use the following command to check the version: wmic product where "name like 'Samsung Continuity Service'" get version.

Impact Analysis

An attacker could exploit this to gain unauthorized control over your connected mobile device via the Samsung Continuity Service on Windows, potentially accessing sensitive data or performing unauthorized actions.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or health data, violating GDPR or HIPAA compliance if exploited. Organizations must ensure proper access controls to maintain regulatory adherence.

Mitigation Strategies

Update Samsung Continuity Service for Windows to version 4.6.1217.0 or later to address the improper access control issue.

Hi! I’m here to help you understand CVE-2026-21139. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70