MediaTek Modem Permission Bypass -> Local DoS
CVE-2026-20577 Published on November 2, 2026
In Modem, there is a possible permission bypass due to a permissions bypass. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: MOLY01880753; Issue ID: MSV-9866.
Weakness Type
Improper Handling of Insufficient Permissions or Privileges
The application does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the application in an invalid state.
Affected Versions
MediaTek, Inc. MediaTek chipset:- Version MT2716 is affected.
- Version MT6813 is affected.
- Version MT6815 is affected.
- Version MT6835 is affected.
- Version MT6858 is affected.
- Version MT6878 is affected.
- Version MT6881 is affected.
- Version MT6897 is affected.
- Version MT6899 is affected.
- Version MT6982 is affected.
- Version MT6986 is affected.
- Version MT6988 is affected.
- Version MT6991 is affected.
- Version MT6993 is affected.
- Version MT8668 is affected.
- Version MT8676 is affected.
- Version MT8678 is affected.
- Version MT8755 is affected.
- Version MT8775 is affected.
- Version MT8792 is affected.
- Version MT8793 is affected.
- Version MT8863 is affected.
- Version MT8873 is affected.
- Version MT8875 is affected.
- Version MT8883 is affected.