CVE-2026-8637

Uncontrolled Search Path Vulnerability in LanSchool Classic Enables Local Code Execution

Published Jun 10, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
A potential uncontrolled search path vulnerability was reported in the LanSchool Classic client application that could allow a local authenticated user to execute arbitrary code with elevated privileges.

Remediation

Vendor Solution

Update the LanSchool Classic client application to version 9.3.1.30 or later. LanSchool Classic customers can update to the latest version by accessing their LanSchool account:  https://lanschool.com/lanschool-login

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Uncontrolled Search Path Vulnerability in LanSchool Classic Enables Local Code Execution
Type Values Removed Values Added
Description A potential uncontrolled search path vulnerability was reported in the LanSchool Classic client application that could allow a local authenticated user to execute arbitrary code with elevated privileges.
First Time appeared Lenovo
Lenovo lanschool Classic
Weaknesses CWE-427
CPEs cpe:2.3:a:lenovo:lanschool_classic:*:*:*:*:*:*:*:*
Vendors & Products Lenovo
Lenovo lanschool Classic
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
lenovo
Published
Updated
Jun 10, 2026, 4:06 PM
Reserved
May 14, 2026, 7:39 PM
Status
Awaiting Analysis
Published
Jun 10, 2026, 3:16 PM
Modified
Oct 26, 2026, 12:10 AM