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CVE-2026-21028 Samsung Mobile CVE debrief

CVE-2026-21028 is a medium-severity vulnerability in the AuditLogService of Samsung devices prior to SMR Jun-2026 Release 1. The vulnerability, with a CVSS score of 5.1, allows local attackers to access sensitive information due to improper access control.

Vendor
Samsung Mobile
Product
Samsung Mobile Devices
CVSS
MEDIUM 5.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-06-06
Advisory published
2026-06-05
Advisory updated
2026-06-06

Who should care

Users of Samsung devices, particularly those using versions prior to SMR Jun-2026 Release 1, should be aware of this vulnerability and take necessary precautions.

Technical summary

The vulnerability is caused by improper access control in the AuditLogService, which allows local attackers to access sensitive information. The CVSS vector for this vulnerability is CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

medium

Recommended defensive actions

  • Apply the security patch released by Samsung for SMR Jun-2026 Release 1 or later.
  • Use secure practices when handling sensitive information.
  • Limit access to sensitive data and services.

Evidence notes

The information provided is based on data from the National Vulnerability Database (NVD) and Samsung's official security update page.

Official resources

CVE-2026-21028 was published on 2026-06-05T11:16:35.327Z and modified on 2026-06-06T02:00:22.073Z.