MediaTek Modem Privilege Escalation via Permission Bypass
CVE-2026-68591 Published on November 2, 2026

In Modem, there is a possible escalation of privilege due to a permissions bypass. This could lead to local escalation of privilege (EoP) if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09608864 / ALPS09327759; Issue ID: MSV-2958.

NVD

Vulnerability Analysis

CVE-2026-68591 can be exploited 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

Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. When a resource is given a permissions setting that provides access to a wider range of actors than required, it could lead to the exposure of sensitive information, or the modification of that resource by unintended parties. This is especially dangerous when the resource is related to program configuration, execution or sensitive user data.


Affected Versions

MediaTek, Inc. MediaTek chipset: