Out of Bounds Write Vulnerability in MediaTek MAE
CVE-2026-20440

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt2718, Mt6899, Mt6991, Mt8678, Mt8793
Vendor
CVE Published:
2 March 2026

What is CVE-2026-20440?

The vulnerability in MediaTek's MAE arises from a missing bounds check, leading to an out of bounds write condition. This flaw could allow an attacker, who has already gained system privileges, to escalate their access without requiring user interaction. The issue is subject to exploitation if not remedied, underscoring the critical need for timely patching. For remediation, refer to Patch ID ALPS10431968 and Issue ID MSV-5824.

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Affected Version(s)

MT2718, MT6899, MT6991, MT8678, MT8793 Android 15.0

References

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

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

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