Integer Overflow Vulnerability in MediaTek Products
CVE-2026-20533

6.7MEDIUM

Key Information:

Vendor

MediaTek

Vendor
CVE Published:
5 October 2026

What is CVE-2026-20533?

A vulnerability exists in MediaTek systems which could allow an attacker to escalate privileges through an integer overflow error. If an attacker has already gained system-level access, they can potentially exploit this vulnerability to gain additional control without user interaction, making it imperative for users and administrators to apply relevant patches to mitigate the risk. The patch ID for this issue is ALPS11296678.

Affected Version(s)

MediaTek chipset MT6739

MediaTek chipset MT6761

MediaTek chipset MT6765

References

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.