# CVE-2026-20463

## Summary

- **CVE ID:** CVE-2026-20463
- **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-280
- **Published:** Jul 1, 2026
- **Last Modified:** Jul 2, 2026

## Description

In Modem, there is a possible escalation of privilege due to a permissions bypass. 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: MOLY01716533; Issue ID: MSV-6309.

## Affected Products

- MediaTek, Inc. — MediaTek chipset (MT2716)
- MediaTek, Inc. — MediaTek chipset (MT2735)
- MediaTek, Inc. — MediaTek chipset (MT2737)
- MediaTek, Inc. — MediaTek chipset (MT6739)
- MediaTek, Inc. — MediaTek chipset (MT6761)
- MediaTek, Inc. — MediaTek chipset (MT6762)
- MediaTek, Inc. — MediaTek chipset (MT6763)
- MediaTek, Inc. — MediaTek chipset (MT6765)
- MediaTek, Inc. — MediaTek chipset (MT6767)
- MediaTek, Inc. — MediaTek chipset (MT6768)
- MediaTek, Inc. — MediaTek chipset (MT6769)
- MediaTek, Inc. — MediaTek chipset (MT6771)
- MediaTek, Inc. — MediaTek chipset (MT6779)
- MediaTek, Inc. — MediaTek chipset (MT6781)
- MediaTek, Inc. — MediaTek chipset (MT6783)
- MediaTek, Inc. — MediaTek chipset (MT6785)
- MediaTek, Inc. — MediaTek chipset (MT6789)
- MediaTek, Inc. — MediaTek chipset (MT6813)
- MediaTek, Inc. — MediaTek chipset (MT6833)
- MediaTek, Inc. — MediaTek chipset (MT6835)
- MediaTek, Inc. — MediaTek chipset (MT6853)
- MediaTek, Inc. — MediaTek chipset (MT6855)
- MediaTek, Inc. — MediaTek chipset (MT6858)
- MediaTek, Inc. — MediaTek chipset (MT6873)
- MediaTek, Inc. — MediaTek chipset (MT6875)
- MediaTek, Inc. — MediaTek chipset (MT6877)
- MediaTek, Inc. — MediaTek chipset (MT6878)
- MediaTek, Inc. — MediaTek chipset (MT6879)
- MediaTek, Inc. — MediaTek chipset (MT6880)
- MediaTek, Inc. — MediaTek chipset (MT6881)
- MediaTek, Inc. — MediaTek chipset (MT6883)
- MediaTek, Inc. — MediaTek chipset (MT6885)
- MediaTek, Inc. — MediaTek chipset (MT6886)
- MediaTek, Inc. — MediaTek chipset (MT6889)
- MediaTek, Inc. — MediaTek chipset (MT6890)
- MediaTek, Inc. — MediaTek chipset (MT6891)
- MediaTek, Inc. — MediaTek chipset (MT6893)
- MediaTek, Inc. — MediaTek chipset (MT6895)
- MediaTek, Inc. — MediaTek chipset (MT6896)
- MediaTek, Inc. — MediaTek chipset (MT6897)
- MediaTek, Inc. — MediaTek chipset (MT6899)
- MediaTek, Inc. — MediaTek chipset (MT6980)
- MediaTek, Inc. — MediaTek chipset (MT6982)
- MediaTek, Inc. — MediaTek chipset (MT6983)
- MediaTek, Inc. — MediaTek chipset (MT6985)
- MediaTek, Inc. — MediaTek chipset (MT6986)
- MediaTek, Inc. — MediaTek chipset (MT6986D)
- MediaTek, Inc. — MediaTek chipset (MT6988)
- MediaTek, Inc. — MediaTek chipset (MT6989)
- MediaTek, Inc. — MediaTek chipset (MT6990)
- MediaTek, Inc. — MediaTek chipset (MT6991)
- MediaTek, Inc. — MediaTek chipset (MT6993)
- MediaTek, Inc. — MediaTek chipset (MT8666)
- MediaTek, Inc. — MediaTek chipset (MT8667)
- MediaTek, Inc. — MediaTek chipset (MT8668)
- MediaTek, Inc. — MediaTek chipset (MT8673)
- MediaTek, Inc. — MediaTek chipset (MT8675)
- MediaTek, Inc. — MediaTek chipset (MT8676)
- MediaTek, Inc. — MediaTek chipset (MT8678)
- MediaTek, Inc. — MediaTek chipset (MT8755)
- MediaTek, Inc. — MediaTek chipset (MT8765)
- MediaTek, Inc. — MediaTek chipset (MT8766)
- MediaTek, Inc. — MediaTek chipset (MT8766R)
- MediaTek, Inc. — MediaTek chipset (MT8768)
- MediaTek, Inc. — MediaTek chipset (MT8771)
- MediaTek, Inc. — MediaTek chipset (MT8775)
- MediaTek, Inc. — MediaTek chipset (MT8781)
- MediaTek, Inc. — MediaTek chipset (MT8786)
- MediaTek, Inc. — MediaTek chipset (MT8788)
- MediaTek, Inc. — MediaTek chipset (MT8788E)
- MediaTek, Inc. — MediaTek chipset (MT8789)
- MediaTek, Inc. — MediaTek chipset (MT8791)
- MediaTek, Inc. — MediaTek chipset (MT8791T)
- MediaTek, Inc. — MediaTek chipset (MT8792)
- MediaTek, Inc. — MediaTek chipset (MT8793)
- MediaTek, Inc. — MediaTek chipset (MT8795T)
- MediaTek, Inc. — MediaTek chipset (MT8796)
- MediaTek, Inc. — MediaTek chipset (MT8797)
- MediaTek, Inc. — MediaTek chipset (MT8798)
- MediaTek, Inc. — MediaTek chipset (MT8863)
- MediaTek, Inc. — MediaTek chipset (MT8873)
- MediaTek, Inc. — MediaTek chipset (MT8883)
- MediaTek, Inc. — MediaTek chipset (MT8893)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.16%
- **EPSS Percentile:** 5.6

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