CVE-2026-20511 — MediaTek, Inc. / MediaTek chipset

CVE-2026-20511

MediaTek, Inc. / MediaTek chipset PUBLISHED

Description (CNA)

In SurfaceFlinger, there is a possible memory corruption due to use after free. 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: ALPS11123860; Issue ID: MSV-8890.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT6858; affected MT6881; affected MT6993; affected MT8668

CWE

CWE-416

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.