MediaTek Audio HAL PrivEsc via Improper Input Validation
CVE-2026-20512 Published on September 7, 2026

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.

NVD

Vulnerability Analysis

CVE-2026-20512 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Improper Restriction of Excessive Authentication Attempts

The software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks.


Affected Versions

MediaTek, Inc. MediaTek chipset: