CVE-2026-20572
Received Received - Intake

Integer Overflow Leads to Privilege Escalation in adsp

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: MediaTek, Inc.

Description
In adsp, there is a possible out of bounds write due to an integer overflow. 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: ALPS11431442; Issue ID: MSV-9924.

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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-2026-20572

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-191 The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

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Executive Summary

This vulnerability is an integer overflow in the adsp component that can lead to an out of bounds write. It allows local privilege escalation if an attacker already has System privilege access. Exploitation does not require user interaction.

Impact Analysis

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

Mitigation Strategies

Apply the patch provided by MediaTek (Patch ID: ALPS11431442) to address the integer overflow issue in adsp. Ensure the patch is applied to all affected MediaTek chipsets.

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