What is CVE-2026-20515?

CVE-2026-20515 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Use After Free. CVSS score: 5.5/10. Published 2026-09-07.

How severe is CVE-2026-20515?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Use After Free in Mediatek, Inc. Mediatek Chipset

CVE-2026-20515

In gpu, there is a possible system crash due to use after free. This could lead to local information disclosure with User execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11122991; Issue ID: MSV-8132.

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Mediatek, Inc. Mediatek Chipset — versions MT6991, MT8799

Weakness classification (CWE)

CWE-416 — Use After Free

References

security@mediatek.com

Frequently asked questions

What is CVE-2026-20515?: CVE-2026-20515 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Use After Free. CVSS score: 5.5/10. Published 2026-09-07.
How severe is CVE-2026-20515?: Medium severity. CVSS v3 base score is 5.5 out of 10.