Buffer overflow in Mediatek, Inc. Mediatek Chipset
CVE-2026-20544
In meta, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11049530 / ALPS11480843; Issue ID: MSV-7935.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Mediatek, Inc. Mediatek Chipset — versions MT6739, MT6761, MT6765
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20544?
- CVE-2026-20544 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2026-10-05.
- How severe is CVE-2026-20544?
- Medium severity. CVSS v3 base score is 6.8 out of 10.