CVE-2026-20472
Received Received - Intake

Out of Bounds Write in TFA Due to Missing Bounds Check

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: MediaTek, Inc.

Description
In TFA, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10991467; Issue ID: MSV-7764.

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Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-03
AI Q&A
2026-08-03
EPSS Evaluated
N/A
NVD
CVE-2026-20472
EUVD
EUVD-2026-52061

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mediatek tfa *

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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Executive Summary

This vulnerability is a missing bounds check in TFA that allows an out of bounds write. It could lead to a local denial of service if an attacker already has System privilege. No user interaction is required for exploitation.

Impact Analysis

If exploited, this vulnerability could cause a denial of service on your device. An attacker with System privilege could trigger this issue to disrupt normal operations.

Compliance Impact

The provided CVE data does not specify any direct impact on compliance with standards like GDPR or HIPAA. The vulnerability involves a local denial of service due to an out-of-bounds write in TFA, requiring System privilege for exploitation. No evidence suggests it affects data protection or privacy compliance.

Mitigation Strategies

Apply the patch identified as ALPS10991467 or Issue ID MSV-7764 to address the missing bounds check in TFA. Ensure the patch is installed to prevent local denial of service if System privilege is obtained by a malicious actor.

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