MediaTek Chipsets Out-of-Bounds Write Vulnerability in Display Component Allowing Privilege Escalation

Vulnerability

A vulnerability has been identified in the display component of certain MediaTek chipsets, where a missing bounds check could lead to an out-of-bounds write. This flaw has the potential to cause a system crash and, if exploited by a malicious actor with System privileges, could result in local escalation of privileges. The issue affects several MediaTek chipsets, including MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8186, MT8188, MT8196, MT8676, MT8678, MT8792, MT8793, MT8795T, MT8796, MT8798, MT8863, MT8873, MT8883, MT8893.

Impact

Exploitation of this vulnerability could lead to a system crash and allow a malicious actor with System privileges to escalate privileges locally.

Added: Dec 2, 2025, 3:58 AM
Updated: Dec 2, 2025, 3:58 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
2.8
remediation
0.0
relevance
1.2
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.