CVE-2026-2538: Flos Freeware NOTEPAD2

High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days.

A security flaw has been discovered in Flos Freeware Notepad2 4.2.22/4.2.23/4.2.24/4.2.25. Affected is an unknown function in the library Msimg32.dll. Performing a manipulation results in uncontrolled search path. Attacking locally is a requirement. The attack's complexity is rated as high. The exploitability is told to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Flos Freeware NOTEPAD2: version 4.2.22 only; version 4.2.23 only; version 4.2.24 only; version 4.2.25 only

Published 2026-02-16. Last modified 2026-06-17.