CVE-2026-20529 — MediaTek, Inc. / MediaTek chipset

Description (CNA)

In battery, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11276677; Issue ID: MSV-9217.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT6761; affected MT6765; affected MT6768; affected MT6781; affected MT6853; affected MT6858; affected MT6881; affected MT6893; affected MT6989; affected MT6991; affected MT6993; affected MT8171; affected MT8186; affected MT8188; affected MT8189; affected MT8196; affected MT8766; affected MT8768; affected MT8775; affected MT8781; affected MT8788E; affected MT8791T; affected MT8792; affected MT8796; affected MT8799; affected MT8883; affected MT8893; affected MT8910

Vendor / product

Versions

MediaTek, Inc. / MediaTek chipset

affected MT6761; affected MT6765; affected MT6768; affected MT6781; affected MT6853; affected MT6858; affected MT6881; affected MT6893; affected MT6989; affected MT6991; affected MT6993; affected MT8171; affected MT8186; affected MT8188; affected MT8189; affected MT8196; affected MT8766; affected MT8768; affected MT8775; affected MT8781; affected MT8788E; affected MT8791T; affected MT8792; affected MT8796; affected MT8799; affected MT8883; affected MT8893; affected MT8910

CWE

CWE-787

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.