CVE-2026-20476
Received Received - Intake

Memory Corruption in MediaTek ccci Driver

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: MediaTek, Inc.

Description
In ccci, there is a possible out of bounds read due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10981532; Issue ID: MSV-7660.

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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-2026-20476
EUVD
EUVD-2026-52065

Affected Vendors & Products

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

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 in the ccci component where a missing bounds check can lead to an out of bounds read. This may cause a local denial of service but requires user execution privileges. No user interaction is needed for exploitation.

Impact Analysis

An attacker with user execution privileges could exploit this to cause a denial of service on the affected system. This could disrupt normal operations but does not allow arbitrary code execution or data access.

Compliance Impact

This vulnerability is a local denial of service issue with user execution privileges needed, but no user interaction required. It does not directly involve data exposure or unauthorized access, which are key concerns for GDPR or HIPAA compliance. However, denial of service could impact system availability, potentially affecting service levels required by these regulations.

Mitigation Strategies

Apply the patch identified as ALPS10981532 to address the missing bounds check in ccci. Ensure the update is installed to prevent potential local denial of service.

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