CVE-2026-20550
Received Received - Intake

Out of Bounds Write in gnss

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: MediaTek, Inc.

Description
In gnss, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11309816; Issue ID: MSV-10731.

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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-2026-20550

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is an out of bounds write issue in the gnss component due to a missing bounds check. It could allow a local denial of service attack without needing additional execution privileges. Exploitation requires user interaction.

Impact Analysis

The vulnerability could cause your device to crash or become unresponsive due to a local denial of service. Since it requires user interaction, an attacker would need to trick you into triggering the exploit.

Mitigation Strategies

Apply the patch identified as ALPS11309816 to address the missing bounds check in the gnss component. Ensure the update is deployed to all affected MediaTek chipsets.

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