CVE-2026-20483 — MediaTek, Inc. / MediaTek chipset

Description (CNA)

In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT6739; affected MT6761; affected MT6765; affected MT6768; affected MT6781; affected MT6789; affected MT6833; 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 MT6983; affected MT6985; affected MT6989; affected MT6991; affected MT6993; affected MT8766; affected MT8766R; affected MT8768; affected MT8775; affected MT8781; affected MT8792; affected MT8796; affected MT8873; affected MT8883; affected MT8893

Vendor / product

Versions

MediaTek, Inc. / MediaTek chipset

affected MT6739; affected MT6761; affected MT6765; affected MT6768; affected MT6781; affected MT6789; affected MT6833; 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 MT6983; affected MT6985; affected MT6989; affected MT6991; affected MT6993; affected MT8766; affected MT8766R; affected MT8768; affected MT8775; affected MT8781; affected MT8792; affected MT8796; affected MT8873; affected MT8883; affected MT8893

CWE

CWE-862

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.