CVE-2026-20588
Received Received - Intake

Privilege Escalation in mtee Due to Missing Bounds Check

Publication date: 2026-10-05

Last updated on: 2026-10-05

Assigner: MediaTek, Inc.

Description
In mtee, 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: ALPS11383899; Issue ID: MSV-9607.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-20588
EUVD
EUVD-2026-92197

Affected Vendors & Products

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

Helpful Resources

Exploitability

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

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability in mtee is a privilege escalation issue caused by a missing bounds check. It allows an attacker with System privilege to further escalate their privileges locally without requiring user interaction.

Impact Analysis

If exploited, this vulnerability could allow an attacker who already has System privilege to gain higher-level access, potentially compromising the entire system. This could lead to unauthorized data access, system manipulation, or further attacks.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or similar standards as it involves local privilege escalation in a specific software component (mtee) and requires prior access to System privilege. Compliance impacts would depend on how the software is deployed and used in a given environment.

Mitigation Strategies

Apply the patch identified as ALPS11383899 or Issue ID MSV-9607 to address the missing bounds check in mtee. Ensure the System privilege is not granted to untrusted actors to prevent potential local privilege escalation.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-20588. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart