CVE-2026-20451 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00018.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Mediatek, Inc.	Mediatek Chipset

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Mediatek, Inc.	Mediatek Chipset

References

Link	Providers
https://corp.mediatek.com/product-security-bulletin/May-2026

History

Mon, 04 May 2026 13:15:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mon, 04 May 2026 07:45:00 +0000

Type	Values Removed	Values Added
Title		Out‑of‑Bounds Write in slbc Allowing Local Privilege Escalation
First Time appeared		Mediatek, Inc. Mediatek, Inc. mediatek Chipset
Vendors & Products		Mediatek, Inc. Mediatek, Inc. mediatek Chipset

Mon, 04 May 2026 06:45:00 +0000

Type	Values Removed	Values Added
Description		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.
Weaknesses		CWE-843
References		https://corp.mediatek.com/product-security-bulletin/May-2026

MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-05-04T05:42:29.660Z

Updated: 2026-05-04T12:55:49.245Z

Reserved: 2025-11-03T01:30:59.013Z

Link: CVE-2026-20451

Vulnrichment

Updated: 2026-05-04T12:55:42.490Z

NVD

Status : Received

Published: 2026-05-04T07:15:59.840

Modified: 2026-05-04T07:15:59.840

Link: CVE-2026-20451

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-05-04T07:30:40Z

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