Integer Overflow Vulnerability in MediaTek Products
CVE-2026-20489

4.4MEDIUM

Key Information:

Vendor

MediaTek

Vendor
CVE Published:
3 August 2026

What is CVE-2026-20489?

A vulnerability exists in MediaTek products due to an integer overflow during display operations, which may allow local information disclosure. A malicious actor with System privilege can exploit this flaw without user interaction, potentially leading to unauthorized access to sensitive information. It is crucial for users of affected MediaTek systems to apply the patch identified as ALPS11004274 to mitigate the risks associated with this vulnerability.

Affected Version(s)

MediaTek chipset MT6991

MediaTek chipset MT6993

MediaTek chipset MT8126

References

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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