Vulnerability in Mediatek, Inc. Mediatek Chipset
CVE-2026-20474
In display, there is a possible escalation of privilege due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitati…
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Mediatek, Inc. Mediatek Chipset — versions MT6991, MT6993, MT8126
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20474?
- CVE-2026-20474 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.0/10. Published 2026-08-03.
- How severe is CVE-2026-20474?
- Medium severity. CVSS v3 base score is 6.0 out of 10.