CVE-2026-20512
Received Received - Intake

Audio HAL Privilege Escalation Vulnerability

Publication date: 2026-09-07

Last updated on: 2026-09-07

Assigner: MediaTek, Inc.

Description
In Audio HAL, there is a possible escalation of privilege due to improper input validation. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11087540; Issue ID: MSV-8246.

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Meta Information

Published
2026-09-07
Last Modified
2026-09-07
Generated
2026-09-07
AI Q&A
2026-09-07
EPSS Evaluated
N/A
NVD
CVE-2026-20512
EUVD
EUVD-2026-72205

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mediatek audio_hal *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-307 The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

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Executive Summary

This vulnerability is in the Audio HAL (Hardware Abstraction Layer) and involves improper input validation. It allows a local attacker with System privilege to escalate their privileges further. Exploitation does not require user interaction.

Impact Analysis

If you are a user with System privilege on a device using the affected Audio HAL, an attacker could exploit this to gain higher privileges. This could lead to unauthorized access or control over the device.

Mitigation Strategies

Apply the patch provided by MediaTek with Patch ID ALPS11087540 to fix the improper input validation in Audio HAL. Ensure the patch is deployed to all affected systems to prevent local privilege escalation.

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