CVE-2026-20435 — MediaTek, Inc. / MediaTek chipset

Description (CNA)

In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT2737; affected MT6739; affected MT6761; affected MT6765; affected MT6768; affected MT6781; affected MT6789; affected MT6813; affected MT6833; affected MT6853; affected MT6855; affected MT6877; affected MT6878; affected MT6879; affected MT6880; affected MT6885; affected MT6886; affected MT6890; affected MT6893; affected MT6895; affected MT6897; affected MT6983; affected MT6985; affected MT6989; affected MT6990; affected MT6993; affected MT8169; affected MT8186; affected MT8188; affected MT8370; affected MT8390; affected MT8676; affected MT8678; affected MT8696; affected MT8793

Vendor / product

Versions

MediaTek, Inc. / MediaTek chipset

affected MT2737; affected MT6739; affected MT6761; affected MT6765; affected MT6768; affected MT6781; affected MT6789; affected MT6813; affected MT6833; affected MT6853; affected MT6855; affected MT6877; affected MT6878; affected MT6879; affected MT6880; affected MT6885; affected MT6886; affected MT6890; affected MT6893; affected MT6895; affected MT6897; affected MT6983; affected MT6985; affected MT6989; affected MT6990; affected MT6993; affected MT8169; affected MT8186; affected MT8188; affected MT8370; affected MT8390; affected MT8676; affected MT8678; affected MT8696; affected MT8793

CWE

CWE-522

References

https://corp.mediatek.com/product-security-bulletin/March-2026

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.