Auth bypass in Mediatek, Inc. Mediatek Chipset
CVE-2026-20535
In aidl, there is a possible escalation of privilege due to a missing permission 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: ALPS11185216; Issue ID: MSV-9039.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Mediatek, Inc. Mediatek Chipset — versions MT6878, MT6881, MT6899
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20535?
- CVE-2026-20535 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Missing Authorization. CVSS score: 6.7/10. Published 2026-10-05.
- How severe is CVE-2026-20535?
- Medium severity. CVSS v3 base score is 6.7 out of 10.