CVE-2026-20438

Description

In MAE, there is a possible out of bounds write due to a race condition. 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: ALPS10431920; Issue ID: MSV-5835.

PUBLISHED Reserved 2025-11-03 | Published 2026-03-02 | Updated 2026-03-30 | Assigner MediaTek

Problem types

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Product status

References

corp.mediatek.com/product-security-bulletin/March-2026

cve.org (CVE-2026-20438)

nvd.nist.gov (CVE-2026-20438)

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