CVE-2026-4135

Analyzed Analyzed - Analysis Complete

Arbitrary File Write in Lenovo Software Fix Elevates Privileges

Publication date: 2026-04-15

Last updated on: 2026-08-24

Assigner: Lenovo Group Ltd.

Description

During an internal security assessment, a potential vulnerability was discovered in Lenovo Software Fix, that during installation could allow a local authenticated user to perform an arbitrary file write with elevated privileges.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-04-15

Last Modified

2026-08-24

Generated

2026-09-04

AI Q&A

2026-04-15

EPSS Evaluated

2026-09-03

NVD

CVE-2026-4135

EUVD

EUVD-2026-22925

Affected Vendors & Products

Vendor	Product	Version / Range
lenovo	software_fix	to 7.5.5.19 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-59	The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Attack-Flow Graph

Executive Summary

This vulnerability exists in Lenovo Software Fix during its installation process. It allows a local authenticated user to write arbitrary files with elevated privileges, meaning the user can potentially modify or create files in locations they normally should not have access to.

Impact Analysis

The vulnerability can lead to unauthorized modification of system files or installation of malicious files with elevated privileges by a local authenticated user. This can compromise system integrity, potentially allowing privilege escalation, system instability, or further exploitation.

Compliance Impact

The vulnerability allows a local authenticated user to perform an arbitrary file write with elevated privileges during the installation of Lenovo Software Fix.

While the CVE description does not explicitly mention compliance with standards such as GDPR or HIPAA, arbitrary file write vulnerabilities with elevated privileges can potentially lead to unauthorized modification or corruption of sensitive data.

Such unauthorized access or modification could impact the confidentiality and integrity requirements mandated by regulations like GDPR and HIPAA, thereby potentially affecting compliance.

Hi! I’m here to help you understand CVE-2026-4135. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70