Type Confusion Vulnerability in MediaTek Vdec
CVE-2026-20579

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mediatek Chipset
Vendor
CVE Published:
5 October 2026

What is CVE-2026-20579?

A potential out of bounds write vulnerability has been identified in MediaTek's Vdec due to type confusion. This issue could allow a malicious actor to escalate privileges locally, especially if they have already gained system privileges. Notably, exploitation does not require user interaction, increasing the urgency for timely mitigations. The vulnerability is tracked under Patch ID ALPS11383899 and Issue ID MSV-9800.

Affected Version(s)

MediaTek chipset MT2718

MediaTek chipset MT6768

MediaTek chipset MT6769

References

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

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

.