CVE-2026-21139

HIGH CVSS 4.0: 7.3 EPSS 0.12%
Updated Oct 12, 2026
Samsung Mobile
Parameter Value
CVSS 7.3 (HIGH)
Affected Versions before 4.6.1217.0
Type CWE-284: Improper Access Control
Vendor Samsung Mobile
Public PoC No

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.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products

samsung mobile:samsung continuity service for windows