What is CVE-2026-20524?

CVE-2026-20524 is a high-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under CWE-1285. CVSS score: 8.4/10. Published 2026-10-05.

How severe is CVE-2026-20524?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Mediatek, Inc. Mediatek Chipset

CVE-2026-20524

In apu, there is a possible memory corruption due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249004; Issue ID: MSV-9170.

Published 2026-10-05 · last modified 2026-10-05.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/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 MT6899, MT6993, MT8668

Weakness classification (CWE)

CWE-1285

References

www.mediatek.com/product-security-bulletin/October-2026

Frequently asked questions

What is CVE-2026-20524?: CVE-2026-20524 is a high-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under CWE-1285. CVSS score: 8.4/10. Published 2026-10-05.
How severe is CVE-2026-20524?: High severity. CVSS v3 base score is 8.4 out of 10.