Buffer overflow in Mediatek, Inc. Mediatek Chipset
CVE-2026-20464
In hevc decoder, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for explo…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Mediatek, Inc. Mediatek Chipset — versions MT6761, MT8766, MT8768
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20464?
- CVE-2026-20464 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2026-08-03.
- How severe is CVE-2026-20464?
- Medium severity. CVSS v3 base score is 6.5 out of 10.