# CVE-2026-20440

## Summary

- **CVE ID:** CVE-2026-20440
- **Severity:** MEDIUM
- **CVSS Score:** 6.7 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-1285
- **Published:** Mar 2, 2026
- **Last Modified:** Mar 30, 2026

## Description

In MAE, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10431968; Issue ID: MSV-5824.

## Affected Products

- MediaTek, Inc. — MT2718, MT6899, MT6991, MT8678, MT8793 (Android 15.0)
- MediaTek, Inc. — MediaTek chipset (MT2718)
- MediaTek, Inc. — MediaTek chipset (MT6899)
- MediaTek, Inc. — MediaTek chipset (MT6991)
- MediaTek, Inc. — MediaTek chipset (MT8678)
- MediaTek, Inc. — MediaTek chipset (MT8793)

## References

- [CNA](https://corp.mediatek.com/product-security-bulletin/March-2026)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.08%
- **EPSS Percentile:** 0.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._