Memory Corruption Vulnerability in APU by MediaTek
CVE-2026-20531

8.4HIGH

Key Information:

Vendor

MediaTek
Status
Mediatek Chipset
Vendor
CVE Published:
5 October 2026

What is CVE-2026-20531?

A memory corruption issue has been identified in the APU from MediaTek, resulting from a 'use after free' condition. This vulnerability allows for local escalation of privilege without requiring additional execution privileges or user interaction for exploitation. Mitigation measures, including applying the patch ID ALPS11249016, have been recommended to address this issue and enhance system security.

Affected Version(s)

MediaTek chipset MT6899

MediaTek chipset MT6993

MediaTek chipset MT8668

References

https://www.mediatek.com/product-security-bulletin/Octobe...

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.