CVE-2026-20489
Received Received - Intake

Integer Overflow in MediaTek Display Driver Leads to Information Disclosure

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: MediaTek, Inc.

Description
In display, there is a possible information disclosure due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11004274; Issue ID: MSV-7749.

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Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-03
AI Q&A
2026-08-03
EPSS Evaluated
N/A
NVD
CVE-2026-20489
EUVD
EUVD-2026-52079

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is an integer overflow in the display component that could lead to local information disclosure. Exploitation requires the attacker to already have System privilege access. No user interaction is needed for this to occur.

Impact Analysis

If exploited, this vulnerability could allow an attacker with System privileges to disclose local information. This may include sensitive data stored or processed on the affected device.

Compliance Impact

This vulnerability could lead to local information disclosure if exploited by a malicious actor with System privileges. This may impact compliance with standards requiring data confidentiality, such as GDPR or HIPAA, by potentially exposing sensitive information.

Mitigation Strategies

Apply the patch identified as ALPS11004274 to address the integer overflow issue in the display component. Ensure the System privilege is properly restricted to prevent local information disclosure.

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