CVE-2026-20455 — MediaTek, Inc. / MediaTek chipset

Description (CNA)

In geniezone, 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: ALPS10873936; Issue ID: MSV-6784.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT6739; affected MT6761; affected MT6765; affected MT6768; affected MT6781; affected MT6789; affected MT6835; affected MT6853; affected MT6855; affected MT6877; affected MT6878; affected MT6879; affected MT6883; affected MT6885; affected MT6886; affected MT6889; affected MT6893; affected MT6895; affected MT6897; affected MT6899; affected MT6983; affected MT6985; affected MT6989; affected MT6991; affected MT8673; affected MT8765; affected MT8766; affected MT8768; affected MT8781; affected MT8786; affected MT8788; affected MT8791T; affected MT8793; affected MT8797; affected MT8798; affected MT8910

Vendor / product

Versions

MediaTek, Inc. / MediaTek chipset

affected MT6739; affected MT6761; affected MT6765; affected MT6768; affected MT6781; affected MT6789; affected MT6835; affected MT6853; affected MT6855; affected MT6877; affected MT6878; affected MT6879; affected MT6883; affected MT6885; affected MT6886; affected MT6889; affected MT6893; affected MT6895; affected MT6897; affected MT6899; affected MT6983; affected MT6985; affected MT6989; affected MT6991; affected MT8673; affected MT8765; affected MT8766; affected MT8768; affected MT8781; affected MT8786; affected MT8788; affected MT8791T; affected MT8793; affected MT8797; affected MT8798; affected MT8910

CWE

CWE-787

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.