CVE-2026-6387
Received Received - Intake

Authentication Bypass in Lenovo System Update

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Lenovo Group Ltd.

Description
A potential authentication bypass vulnerability was reported in Lenovo System Update that could allow a local authenticated user to execute arbitrary code with elevated privileges.

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Meta Information

Published
2026-08-13
Last Modified
2026-08-13
Generated
2026-08-13
AI Q&A
2026-08-13
EPSS Evaluated
N/A
NVD
CVE-2026-6387
EUVD
EUVD-2026-58055

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
lenovo system_update *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-290 This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

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Executive Summary

This vulnerability is an authentication bypass in Lenovo System Update that could let a local authenticated user run arbitrary code with higher privileges than intended.

Impact Analysis

An attacker with local access could exploit this to gain elevated privileges, potentially allowing them to install malware, modify system settings, or access sensitive data.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations due to insufficient authentication controls.

Mitigation Strategies

Update Lenovo System Update to the latest version as soon as possible to address the authentication bypass vulnerability. Ensure only authorized users have local access to systems running this software.

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