Use After Free in Mediatek, Inc. Mediatek Chipset
CVE-2026-20507
In Audio HAL, there is a possible escalation of privilege due to use after free. 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: ALPS11191981; Issue ID: MSV-9125.
Vulnerability class: Use-After-Free
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 MT2718, MT6739, MT6761
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20507?
- CVE-2026-20507 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Use After Free. CVSS score: 6.7/10. Published 2026-09-07.
- How severe is CVE-2026-20507?
- Medium severity. CVSS v3 base score is 6.7 out of 10.