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MediaTek Chipset CVE-2026-20451

| EUVD-2026-26891 MEDIUM
Access of Resource Using Incompatible Type (Type Confusion) (CWE-843)
2026-05-04 MediaTek
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 - 14:23 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-2026-26891
Analysis Generated
May 04, 2026 - 07:00 vuln.today
CVE Published
May 04, 2026 - 05:42 nvd
MEDIUM 6.7

DescriptionNVD

In slbc, there is a possible out of bounds write due to type confusion. 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: ALPS10828685; Issue ID: MSV-6504.

AnalysisAI

Out-of-bounds write in MediaTek's slbc (secure local buffer component) due to type confusion allows local privilege escalation to full system compromise when an attacker already holds System privilege. The vulnerability requires no user interaction and affects 32 MediaTek chipset models. …

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CVE-2026-20451 vulnerability details – vuln.today

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