Out-of-bounds Read in Mediatek, Inc. Mediatek Chipset
CVE-2026-20479
In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mediatek, Inc. Mediatek Chipset — versions MT2735, MT6833, MT6853
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20479?
- CVE-2026-20479 is a high-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-08-03.
- How severe is CVE-2026-20479?
- High severity. CVSS v3 base score is 7.5 out of 10.