Improper Privilege Management in Samsung Locksettings Affects User Data Access
CVE-2026-21123

6.7MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
12 October 2026

What is CVE-2026-21123?

An improper privilege management vulnerability has been identified in Samsung's Locksettings prior to the SMR Oct-2026 Release 1. This flaw allows local attackers with root access to gain unauthorized access to sensitive data associated with the tied profile before the first unlock, potentially compromising user privacy and security.

Affected Version(s)

Samsung Mobile Devices SMR Oct-2026 Release in Android 14, 15, 16, 17

References

https://security.samsungmobile.com/securityUpdate.smsb?ye...

CVSS V4

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.