CVE-2026-20528 — MediaTek, Inc. / MediaTek chipset

Description (CNA)

In ccci, there is a possible out of bounds write and read due to a missing bounds check. This could lead to local information disclosure, memory corruption, crashes, or privilege escalation if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS11428950 (Note: For MT6880, MT6890) / ALPS10563453 (Note: For MT6980D, MT6990, MT6986, MT6986D, MT6813, MT6988) / AUTO00858766 (Note: For MT2735, MT2737); Issue ID: MSV-9893.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT2735; affected MT2737; affected MT6813; affected MT6880; affected MT6890; affected MT6980D; affected MT6986; affected MT6986D; affected MT6988; affected MT6990

CWE

CWE-787

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.