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MediaTek Chipset CVE-2026-20447

| EUVD-2026-26885 MEDIUM
Out-of-bounds Read (CWE-125)
2026-05-04 MediaTek
Privilege Escalation Buffer Overflow Information Disclosure
6.7
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

5
Analysis Generated
May 04, 2026 - 14:22 vuln.today
CVSS changed
May 04, 2026 - 14:22 NVD
6.7 (None) 6.7 (MEDIUM)
EUVD ID Assigned
May 04, 2026 - 07:00 euvd
EUVD-2026-26885
Analysis Generated
May 04, 2026 - 07:00 vuln.today
CVE Published
May 04, 2026 - 05:41 nvd
MEDIUM 6.7

DescriptionNVD

In geniezone, there is a possible escalation of privilege 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: ALPS10724073; Issue ID: MSV-6296.

AnalysisAI

Local privilege escalation in MediaTek geniezone component due to missing bounds check allows System-privileged actors to achieve total system compromise across multiple chipset models. The vulnerability requires prior System-level access and affects 17 MediaTek chipset variants (MT6899, MT8791T, MT8786, MT6789, MT8367, MT6768, MT8766, MT6993, MT6991, MT6877, MT8788E, MT8781, MT8768, MT6989, MT8910, MT8196, MT8793). …

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CVE-2026-20447 vulnerability details – vuln.today
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