Cyber Resilience

CVE-2026-8637

High

Published: 10 June 2026

Published
10 June 2026
Modified
17 June 2026
KEV Added
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Patch
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CVSS Score v4 8.5 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0013 2.9th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-8637 is a high-severity Uncontrolled Search Path Element (CWE-427) vulnerability in Lenovo (inferred from references). Its CVSS base score is 8.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Path Interception by Search Order Hijacking (T1574.008); ranked at the 2.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A08:2025 Software or Data Integrity Failures

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-427

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1574.008 Path Interception by Search Order Hijacking Stealth
Adversaries may execute their own malicious payloads by hijacking the search order used to load other programs.
attack.mitre.org →
Why these techniques?

CWE-427 uncontrolled search path directly enables T1574.008 search order hijacking for local privilege escalation.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

Lenovo
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References