CVE-2026-4135: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Lenovo Software Fix
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.
AI Analysis
Technical Summary
This vulnerability in Lenovo Software Fix involves improper link resolution before file access, categorized as CWE-59. During the installation process, a local authenticated user could exploit this flaw to write arbitrary files with elevated privileges. The CVSS 4.0 base score is 5.2 (medium severity), reflecting the requirement for local access and user interaction, but the potential for privilege escalation. No patch or official remediation level has been disclosed by Lenovo as of the publication date.
Potential Impact
A local authenticated user could leverage this vulnerability to write arbitrary files with elevated privileges during the installation of Lenovo Software Fix. This could potentially lead to privilege escalation or unauthorized modification of system files. However, exploitation requires local access and user interaction, limiting the attack scope. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local user privileges and avoid running the installation process with unnecessary elevated rights. Monitor Lenovo's advisories for updates on patches or mitigations.
CVE-2026-4135: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Lenovo Software Fix
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Lenovo Software Fix involves improper link resolution before file access, categorized as CWE-59. During the installation process, a local authenticated user could exploit this flaw to write arbitrary files with elevated privileges. The CVSS 4.0 base score is 5.2 (medium severity), reflecting the requirement for local access and user interaction, but the potential for privilege escalation. No patch or official remediation level has been disclosed by Lenovo as of the publication date.
Potential Impact
A local authenticated user could leverage this vulnerability to write arbitrary files with elevated privileges during the installation of Lenovo Software Fix. This could potentially lead to privilege escalation or unauthorized modification of system files. However, exploitation requires local access and user interaction, limiting the attack scope. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local user privileges and avoid running the installation process with unnecessary elevated rights. Monitor Lenovo's advisories for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- lenovo
- Date Reserved
- 2026-03-13T14:48:31.899Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69df88bc82d89c981f17bd60
Added to database: 4/15/2026, 12:46:52 PM
Last enriched: 4/15/2026, 1:02:05 PM
Last updated: 4/15/2026, 4:55:55 PM
Views: 10
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