MediaTek Display Driver Use-After-Free Enables Local Priv Escalation
CVE-2026-20443 Published on March 2, 2026
In display, 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: ALPS10436998; Issue ID: MSV-5722.
Vulnerability Analysis
CVE-2026-20443 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.
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-2026-20443 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-20443
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Affected Versions
MediaTek, Inc. MediaTek chipset:- Version MT6739 is affected.
- Version MT6761 is affected.
- Version MT6765 is affected.
- Version MT6768 is affected.
- Version MT6781 is affected.
- Version MT6789 is affected.
- Version MT6833 is affected.
- Version MT6835 is affected.
- Version MT6853 is affected.
- Version MT6855 is affected.
- Version MT6877 is affected.
- Version MT6878 is affected.
- Version MT6879 is affected.
- Version MT6883 is affected.
- Version MT6885 is affected.
- Version MT6886 is affected.
- Version MT6889 is affected.
- Version MT6893 is affected.
- Version MT6895 is affected.
- Version MT6897 is affected.
- Version MT6899 is affected.
- Version MT6983 is affected.
- Version MT6985 is affected.
- Version MT6989 is affected.
- Version MT6991 is affected.
- Version MT6993 is affected.
- Version MT8186 is affected.
- Version MT8188 is affected.
- Version MT8196 is affected.
- Version MT8667 is affected.
- Version MT8673 is affected.
- Version MT8676 is affected.
- Version MT8678 is affected.
- Version MT8765 is affected.
- Version MT8766 is affected.
- Version MT8768 is affected.
- Version MT8771 is affected.
- Version MT8781 is affected.
- Version MT8791T is affected.
- Version MT8792 is affected.
- Version MT8793 is affected.
- Version MT8795T is affected.
- Version MT8796 is affected.
- Version MT8798 is affected.
- Version MT8873 is affected.
- Version MT8883 is affected.
Exploit Probability
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.