CVE-2026-20409
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-02-02

Last updated on: 2026-02-04

Assigner: MediaTek, Inc.

Description
In imgsys, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10363246; Issue ID: MSV-5779.
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Meta Information
Published
2026-02-02
Last Modified
2026-02-04
Generated
2026-06-16
AI Q&A
2026-02-03
EPSS Evaluated
2026-06-14
NVD
CVE-2026-20409
EUVD
EUVD-2026-5140
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
google android 15.0
mediatek mt6897 *
mediatek mt6989 *
Helpful Resources
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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Mitigation Strategies

Apply the patch identified as ALPS10363246 provided by the vendor to fix the out of bounds write vulnerability in imgsys. Since exploitation requires local access with System privilege, ensure that only trusted users have such privileges and monitor for any suspicious local activity.

Executive Summary

This vulnerability is an out of bounds write in the imgsys component caused by a missing bounds check. It allows a local attacker who already has System privilege to escalate their privileges further. Exploitation does not require any user interaction.

Impact Analysis

If exploited, this vulnerability could allow a malicious actor with System privilege to escalate their privileges locally, potentially gaining higher access or control over the affected system.

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