CVE-2026-20589
Received Received - Intake

Out of Bounds Write in MediaTek Venc Driver

Publication date: 2026-10-05

Last updated on: 2026-10-05

Assigner: MediaTek, Inc.

Description
In venc, 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: ALPS11383899; Issue ID: MSV-9606.

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Meta Information

Published
2026-10-05
Last Modified
2026-10-05
Generated
2026-10-05
AI Q&A
2026-10-05
EPSS Evaluated
N/A
NVD
CVE-2026-20589
EUVD
EUVD-2026-92207

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mediatek venc *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is a type confusion issue in the venc component. It allows an out of bounds write, which could lead to local privilege escalation if an attacker already has System privilege. Exploitation does not require user interaction.

Impact Analysis

If exploited, this vulnerability could allow an attacker with existing System privileges to escalate their privileges further. This could lead to unauthorized access or control over the affected system.

Mitigation Strategies

Apply the patch provided by MediaTek with Patch ID ALPS11383899 to address the type confusion issue in venc that could lead to local privilege escalation.

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