Buffer overflow in Mediatek, Inc. Mediatek Chipset
CVE-2026-20462
In Telephony, there is a possible memory corruption due to a heap buffer overflow. 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: ALPS11006447; Issue ID: MSV-7871.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (1.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Mediatek, Inc. Mediatek Chipset — versions MT6739, MT6761, MT6765
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20462?
- CVE-2026-20462 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Heap-based Buffer Overflow. CVSS score: 6.7/10. Published 2026-07-01.
- How severe is CVE-2026-20462?
- Medium severity. CVSS v3 base score is 6.7 out of 10.