Vulnerability Monitor

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CVE-2026-20529


In battery, 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: ALPS11276677; Issue ID: MSV-9217.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.7, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 56 products from mediatek, from mediatek, from mediatek and 53 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

2026-10-05T02:16:51.640

Last Modified

2026-10-09T15:02:40.510

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-787

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
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 mt6853_firmware - Yes
Hardware mediatek mt6853 - No
Operating System mediatek mt6858_firmware - Yes
Hardware mediatek mt6858 - No
Operating System mediatek mt6881_firmware - Yes
Hardware mediatek mt6881 - No
Operating System mediatek mt6893_firmware - Yes
Hardware mediatek mt6893 - 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 mt8186_firmware - Yes
Hardware mediatek mt8186 - No
Operating System mediatek mt8188_firmware - Yes
Hardware mediatek mt8188 - No
Operating System mediatek mt8189_firmware - Yes
Hardware mediatek mt8189 - No
Operating System mediatek mt8196_firmware - Yes
Hardware mediatek mt8196 - No
Operating System mediatek mt8766_firmware - Yes
Hardware mediatek mt8766 - No
Operating System mediatek mt8768_firmware - Yes
Hardware mediatek mt8768 - No
Operating System mediatek mt8775_firmware - Yes
Hardware mediatek mt8775 - No
Operating System mediatek mt8781_firmware - Yes
Hardware mediatek mt8781 - No
Operating System mediatek mt8788e_firmware - Yes
Hardware mediatek mt8788e - No
Operating System mediatek mt8791t_firmware - Yes
Hardware mediatek mt8791t - No
Operating System mediatek mt8792_firmware - Yes
Hardware mediatek mt8792 - No
Operating System mediatek mt8796_firmware - Yes
Hardware mediatek mt8796 - No
Operating System mediatek mt8799_firmware - Yes
Hardware mediatek mt8799 - No
Operating System mediatek mt8883_firmware - Yes
Hardware mediatek mt8883 - No
Operating System mediatek mt8893_firmware - Yes
Hardware mediatek mt8893 - No
Operating System mediatek mt8910_firmware - Yes
Hardware mediatek mt8910 - 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.