Improper access control in MediaTek Audio HAL prior to SMR Jun-2026 Release 1 allows local attackers to trigger privileged functions.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Samsung Mobile Samsung Mobile Devices affected
Version Status Constraints
SMR Jun-2026 Release in Android 14, 15, 16 unaffected < *

No data.

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=06 cve-icon cve-icon
History

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-06-05T10:15:36.588Z

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

Link: CVE-2026-21030

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-21030

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-05T11:30:39Z

Weaknesses