Use-after-free in MediaTek Display Driver Enables Local Priv Esc
CVE-2025-20779 Published on January 6, 2026

In display, there is a possible use after free due to a race condition. 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: ALPS10184084; Issue ID: MSV-4720.

NVD

Vulnerability Analysis

CVE-2025-20779 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
HIGH
Privileges Required:
LOW
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-2025-20779 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2025-20779

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Affected Versions

MediaTek, Inc. MediaTek chipset:

Exploit Probability

EPSS
0.01%
Percentile
0.44%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.