MediaTek adsp Use-After-Free Enables Local Privilege Escalation
CVE-2026-20570 Published on November 2, 2026
In adsp, there is a possible escalation of privilege 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: ALPS11431474; Issue ID: MSV-9926.
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-2026-20570 has been classified to as a Dangling pointer vulnerability or weakness.
Affected Versions
MediaTek, Inc. MediaTek chipset:- Version MT6858 is affected.
- Version MT6878 is affected.
- Version MT6881 is affected.
- Version MT6897 is affected.
- Version MT6899 is affected.
- Version MT6989 is affected.
- Version MT6991 is affected.
- Version MT6993 is affected.
- Version MT8168 is affected.
- Version MT8186 is affected.
- Version MT8188 is affected.
- Version MT8189 is affected.
- Version MT8195 is affected.
- Version MT8196 is affected.
- Version MT8365 is affected.
- Version MT8367 is affected.
- Version MT8390 is affected.
- Version MT8391 is affected.
- Version MT8668 is affected.
- Version MT8678 is affected.