CVE-2026-8637 Other in LanSchool Classic
A local authenticated user can execute arbitrary code with elevated privileges in the LanSchool Classic client due to an uncontrolled search path vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8637?
CVE-2026-8637 is a high-severity vulnerability in Lenovo LanSchool Classic, published on 10 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-427
Which versions are affected by CVE-2026-8637?
How do I fix CVE-2026-8637?
No fix has been published for CVE-2026-8637 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-8637 being exploited?
There is no known exploitation of CVE-2026-8637 in the wild and no public exploit code.
Sources
Also known as GHSA-4rf2-jfxm-vxmr.