AIDL Use-After-Free Enables Local PrivEsc in MediaTek Devices
CVE-2026-20536 Published on October 5, 2026

In aidl, there is a possible memory corruption due to use after free. 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: ALPS11242428; Issue ID: MSV-9038.

NVD

Vulnerability Analysis

CVE-2026-20536 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

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-20536 has been classified to as a Dangling pointer vulnerability or weakness.


Affected Versions

MediaTek, Inc. MediaTek chipset: