Vulnerability Monitor

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CVE-2026-20484


In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11053160; Issue ID: MSV-8004.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.4, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 78 products from mediatek, from mediatek, from mediatek and 75 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-08-03T03:16:43.540

Last Modified

2026-08-19T16:57:18.687

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 4.4 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-201

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System mediatek mt8799_firmware - Yes
Hardware mediatek mt8799 - No
Operating System mediatek mt6739_firmware - Yes
Hardware mediatek mt6739 - No
Operating System mediatek mt6761_firmware - Yes
Hardware mediatek mt6761 - No
Operating System mediatek mt6765_firmware - Yes
Hardware mediatek mt6765 - No
Operating System mediatek mt6768_firmware - Yes
Hardware mediatek mt6768 - No
Operating System mediatek mt6781_firmware - Yes
Hardware mediatek mt6781 - No
Operating System mediatek mt6789_firmware - Yes
Hardware mediatek mt6789 - No
Operating System mediatek mt6833_firmware - Yes
Hardware mediatek mt6833 - No
Operating System mediatek mt6835_firmware - Yes
Hardware mediatek mt6835 - No
Operating System mediatek mt6853_firmware - Yes
Hardware mediatek mt6853 - No
Operating System mediatek mt6855_firmware - Yes
Hardware mediatek mt6855 - No
Operating System mediatek mt6877_firmware - Yes
Hardware mediatek mt6877 - No
Operating System mediatek mt6878_firmware - Yes
Hardware mediatek mt6878 - No
Operating System mediatek mt6879_firmware - Yes
Hardware mediatek mt6879 - No
Operating System mediatek mt6883_firmware - Yes
Hardware mediatek mt6883 - No
Operating System mediatek mt6885_firmware - Yes
Hardware mediatek mt6885 - No
Operating System mediatek mt6886_firmware - Yes
Hardware mediatek mt6886 - No
Operating System mediatek mt6889_firmware - Yes
Hardware mediatek mt6889 - No
Operating System mediatek mt6893_firmware - Yes
Hardware mediatek mt6893 - No
Operating System mediatek mt6895_firmware - Yes
Hardware mediatek mt6895 - No
Operating System mediatek mt6897_firmware - Yes
Hardware mediatek mt6897 - No
Operating System mediatek mt6899_firmware - Yes
Hardware mediatek mt6899 - No
Operating System mediatek mt6983_firmware - Yes
Hardware mediatek mt6983 - No
Operating System mediatek mt6985_firmware - Yes
Hardware mediatek mt6985 - No
Operating System mediatek mt6988_firmware - Yes
Hardware mediatek mt6988 - No
Operating System mediatek mt6989_firmware - Yes
Hardware mediatek mt6989 - No
Operating System mediatek mt6991_firmware - Yes
Hardware mediatek mt6991 - No
Operating System mediatek mt6993_firmware - Yes
Hardware mediatek mt6993 - No
Operating System mediatek mt8171_firmware - Yes
Hardware mediatek mt8171 - No
Operating System mediatek mt8188_firmware - Yes
Hardware mediatek mt8188 - No
Operating System mediatek mt8189_firmware - Yes
Hardware mediatek mt8189 - No
Operating System mediatek mt8390_firmware - Yes
Hardware mediatek mt8390 - No
Operating System mediatek mt8391_firmware - Yes
Hardware mediatek mt8391 - No
Operating System mediatek mt8668_firmware - Yes
Hardware mediatek mt8668 - No
Operating System mediatek mt8676_firmware - Yes
Hardware mediatek mt8676 - No
Operating System mediatek mt8678_firmware - Yes
Hardware mediatek mt8678 - No
Operating System mediatek mt8696_firmware - Yes
Hardware mediatek mt8696 - No
Operating System mediatek mt8792_firmware - Yes
Hardware mediatek mt8792 - No
Operating System mediatek mt8793_firmware - Yes
Hardware mediatek mt8793 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mediatek's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.