What is CVE-2026-20495?

CVE-2026-20495 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Missing Authorization. CVSS score: 4.4/10. Published 2026-08-03.

How severe is CVE-2026-20495?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Auth bypass in Mediatek, Inc. Mediatek Chipset

CVE-2026-20495

In Bluetooth driver, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Mediatek, Inc. Mediatek Chipset — versions MT7902, MT7920, MT7921

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@mediatek.com

Frequently asked questions

What is CVE-2026-20495?: CVE-2026-20495 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Missing Authorization. CVSS score: 4.4/10. Published 2026-08-03.
How severe is CVE-2026-20495?: Medium severity. CVSS v3 base score is 4.4 out of 10.