CVE-2026-20461 — MediaTek, Inc. / MediaTek chipset

Description (CNA)

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01267281 / MOLY01318201; Issue ID: MSV-6486.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT2737; affected MT6813; affected MT6835; affected MT6858; affected MT6878; affected MT6879; affected MT6886; affected MT6895; affected MT6896; affected MT6897; affected MT6899; affected MT6980; affected MT6983; affected MT6985; affected MT6988; affected MT6989; affected MT6990; affected MT6991; affected MT6993; affected MT8673; affected MT8676; affected MT8678; affected MT8755; affected MT8775; affected MT8792; affected MT8793; affected MT8795T; affected MT8796; affected MT8798; affected MT8863; affected MT8873; affected MT8883; affected MT8893

Vendor / product

Versions

MediaTek, Inc. / MediaTek chipset

affected MT2737; affected MT6813; affected MT6835; affected MT6858; affected MT6878; affected MT6879; affected MT6886; affected MT6895; affected MT6896; affected MT6897; affected MT6899; affected MT6980; affected MT6983; affected MT6985; affected MT6988; affected MT6989; affected MT6990; affected MT6991; affected MT6993; affected MT8673; affected MT8676; affected MT8678; affected MT8755; affected MT8775; affected MT8792; affected MT8793; affected MT8795T; affected MT8796; affected MT8798; affected MT8863; affected MT8873; affected MT8883; affected MT8893

CWE

CWE-787

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.