CVE-2026-20574
Received Received - Intake

Memory Corruption in Afe Due to Use After Free

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: MediaTek, Inc.

Description
In afe, 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: ALPS11431400; Issue ID: MSV-9922.

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Meta Information

Published
2026-11-02
Last Modified
2026-11-02
Generated
2026-11-02
AI Q&A
2026-11-02
EPSS Evaluated
N/A
NVD
CVE-2026-20574

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-843 The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

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Executive Summary

This vulnerability is a use-after-free issue in a MediaTek chipset component called 'afe'. It allows memory corruption when a program tries to access memory that has already been freed. This can lead to local privilege escalation if an attacker already has system-level access.

Impact Analysis

If exploited, this vulnerability could allow an attacker with existing system privileges to further escalate their access, potentially gaining control over the device. This could lead to unauthorized data access, system manipulation, or installation of malicious software.

Mitigation Strategies

Apply the patch provided by MediaTek with Patch ID ALPS11431400 to address the use-after-free vulnerability. Ensure the patch is applied to all affected MediaTek chipsets.

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