Out of Bounds Write Vulnerability in MediaTek Devices
CVE-2026-20544

6.8MEDIUM

Key Information:

Vendor

MediaTek

Vendor
CVE Published:
5 October 2026

What is CVE-2026-20544?

A vulnerability exists within MediaTek devices that may allow an out of bounds write due to inadequate bounds checking. This flaw could enable local escalation of privileges if an attacker gains physical access to the device, without requiring additional execution privileges. The exploitation of this vulnerability does not necessitate user interaction, making it a significant security concern that needs addressing through timely patching. The referenced patches include ID ALPS11049530 and ALPS11480843.

Affected Version(s)

MediaTek chipset MT6739

MediaTek chipset MT6761

MediaTek chipset MT6765

References

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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