# CVE-2026-20516

## Summary

- **CVE ID:** CVE-2026-20516
- **Severity:** MEDIUM
- **CVSS Score:** 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-926
- **Published:** Sep 7, 2026
- **Last Modified:** Sep 7, 2026

## Description

In MiracastService, there is a possible escalation of privilege due to a confused deputy. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11060069 / DTV04881615; Issue ID: MSV-7882.

## Affected Products

- MediaTek, Inc. — MediaTek chipset (MT5586)
- MediaTek, Inc. — MediaTek chipset (MT5862)
- MediaTek, Inc. — MediaTek chipset (MT5867)
- MediaTek, Inc. — MediaTek chipset (MT5870)
- MediaTek, Inc. — MediaTek chipset (MT5871)
- MediaTek, Inc. — MediaTek chipset (MT5872)
- MediaTek, Inc. — MediaTek chipset (MT5873)
- MediaTek, Inc. — MediaTek chipset (MT5876)
- MediaTek, Inc. — MediaTek chipset (MT5877)
- MediaTek, Inc. — MediaTek chipset (MT5879)
- MediaTek, Inc. — MediaTek chipset (MT5888)
- MediaTek, Inc. — MediaTek chipset (MT5889)
- MediaTek, Inc. — MediaTek chipset (MT5895)
- MediaTek, Inc. — MediaTek chipset (MT5896)
- MediaTek, Inc. — MediaTek chipset (MT5897)
- MediaTek, Inc. — MediaTek chipset (MT9015)
- MediaTek, Inc. — MediaTek chipset (MT9025)
- MediaTek, Inc. — MediaTek chipset (MT9026)
- MediaTek, Inc. — MediaTek chipset (MT9027)
- MediaTek, Inc. — MediaTek chipset (MT9032)
- MediaTek, Inc. — MediaTek chipset (MT9603)
- MediaTek, Inc. — MediaTek chipset (MT9618)
- MediaTek, Inc. — MediaTek chipset (MT9633)
- MediaTek, Inc. — MediaTek chipset (MT9649)
- MediaTek, Inc. — MediaTek chipset (MT9660)
- MediaTek, Inc. — MediaTek chipset (MT9676)
- MediaTek, Inc. — MediaTek chipset (MT9687)
- MediaTek, Inc. — MediaTek chipset (MT9689)
- MediaTek, Inc. — MediaTek chipset (MT9972)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.09%
- **EPSS Percentile:** 0.6

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