Heap Buffer Overflow Vulnerability in Telephony Solutions by MediaTek
CVE-2026-20462

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mediatek Chipset
Vendor
CVE Published:
1 July 2026

What is CVE-2026-20462?

A heap buffer overflow vulnerability exists in MediaTek's Telephony solutions, which could allow an attacker with system privileges to escalate their privileges. This vulnerability does not require user interaction for exploitation, making it a significant concern for systems utilizing affected products. The issue, referenced by Patch ID ALPS11006447, has been documented in the company's security bulletin and illustrates the need for prompt patch management to mitigate potential exploits.

Affected Version(s)

MediaTek chipset MT6739

MediaTek chipset MT6761

MediaTek chipset MT6765

References

https://corp.mediatek.com/product-security-bulletin/July-...

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

.