CVE-2026-8637 (GCVE-0-2026-8637)

Vulnerability from cvelistv5 – Published: 2026-06-10 14:09 – Updated: 2026-06-10 16:06
VLAI
Summary
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.
Severity
8.5 (High)
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
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-427 - Uncontrolled Search Path Element
Assigner
References
Impacted products
Vendor Product Version
Lenovo LanSchool Classic Affected: 0 , < 9.3.1.30 (custom)
Create a notification for this product.
Credits
Lenovo thanks Rafael Reis for reporting this vulnerability.
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.