What is CVE-2026-20516?

CVE-2026-20516 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under CWE-926. CVSS score: 5.5/10. Published 2026-09-07.

How severe is CVE-2026-20516?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Mediatek, Inc. Mediatek Chipset

CVE-2026-20516

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.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mediatek, Inc. Mediatek Chipset — versions MT5586, MT5862, MT5867

Weakness classification (CWE)

CWE-926

References

security@mediatek.com

Frequently asked questions

What is CVE-2026-20516?: CVE-2026-20516 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under CWE-926. CVSS score: 5.5/10. Published 2026-09-07.
How severe is CVE-2026-20516?: Medium severity. CVSS v3 base score is 5.5 out of 10.