Buffer overflow in Mediatek, Inc. Mediatek Chipset

CVE-2026-20471

In DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20471?
CVE-2026-20471 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Out-of-bounds Write. CVSS score: 4.6/10. Published 2026-08-03.
How severe is CVE-2026-20471?
Medium severity. CVSS v3 base score is 4.6 out of 10.