Description
Improper access control in MediaTek Audio HAL prior to SMR Jun-2026 Release 1 allows local attackers to trigger privileged functions.
Published: 2026-06-05
Score: 6.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

The flaw is an improper access control in the MediaTek Audio HAL component of Samsung Mobile Devices, which allows a local attacker to invoke privileged functions. This can lead to local privilege escalation, granting the attacker unauthorized access to device functionalities that normally require higher authority.

Affected Systems

Affected systems are Samsung Mobile Devices that run the MediaTek Audio HAL before the SMR Jun‑2026 Release 1 update. All Samsung smartphones using that older Audio HAL version are vulnerable until the firmware update is applied.

Risk and Exploitability

The CVSS score of 6.4 indicates a moderate severity. EPSS is <1%, and the vulnerability is not listed in the CISA KEV catalog, suggesting limited publicly known exploit activity. The vulnerability is local; an attacker with physical or local access could exploit it to elevate privileges. Because no public exploit has been reported, the risk remains moderate but should be addressed promptly.

Generated by OpenCVE AI on June 6, 2026 at 05:20 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Install the SMR Jun‑2026 Release 1 update for the MediaTek Audio HAL on affected Samsung Mobile Devices.
  • If the update cannot be applied immediately, restrict or disable local access to the Audio HAL service until the update is installed, using device permissions or SELinux policies.
  • Continue to monitor Samsung security advisories for additional patches or workarounds and apply them as soon as they are released.

Generated by OpenCVE AI on June 6, 2026 at 05:20 UTC.

Tracking

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Advisories

No advisories yet.

History

Sat, 06 Jun 2026 04:15:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Improper Access Control in MediaTek Audio HAL
Weaknesses CWE-284

Sat, 06 Jun 2026 02:00:00 +0000

Type Values Removed Values Added
First Time appeared Samsung
Samsung android
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:o:samsung:android:14.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-apr-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-apr-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-apr-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-apr-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-apr-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-aug-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-aug-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-aug-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-aug-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-dec-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-dec-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-dec-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-dec-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-feb-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-feb-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-feb-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-feb-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jan-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jan-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jan-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jan-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jan-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jul-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jul-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jul-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jul-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jun-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jun-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jun-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jun-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-mar-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-mar-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-mar-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-mar-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-mar-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-may-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-may-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-may-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-may-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-may-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-nov-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-nov-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-nov-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-nov-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-nov-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-oct-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-oct-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-oct-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-oct-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-sep-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-sep-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-sep-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-sep-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-apr-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-apr-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-aug-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-dec-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-feb-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-feb-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jan-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jan-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jul-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jun-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-mar-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-mar-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-may-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-may-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-nov-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-oct-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-sep-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-apr-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-aug-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-dec-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-feb-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-jan-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-mar-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-may-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-nov-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-oct-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-sep-2025-r1:*:*:*:*:*:*
Vendors & Products Samsung
Samsung android
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Fri, 05 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 05 Jun 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Samsung Mobile
Samsung Mobile samsung Mobile Devices
Vendors & Products Samsung Mobile
Samsung Mobile samsung Mobile Devices

Fri, 05 Jun 2026 11:45:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Improper Access Control in MediaTek Audio HAL
Weaknesses CWE-284

Fri, 05 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
Description Improper access control in MediaTek Audio HAL prior to SMR Jun-2026 Release 1 allows local attackers to trigger privileged functions.
References
Metrics cvssV4_0

{'score': 6.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:H/SI:H/SA:H'}


Subscriptions

Samsung Android
Samsung Mobile Samsung Mobile Devices
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-06-05T19:15:09.137Z

Reserved: 2025-12-11T01:33:35.805Z

Link: CVE-2026-21030

cve-icon Vulnrichment

Updated: 2026-06-05T19:15:03.599Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-05T11:16:35.553

Modified: 2026-06-06T02:00:05.443

Link: CVE-2026-21030

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-06T05:30:13Z

Weaknesses