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CVE-2026-4545

HIGH CVSS 4.0: 7.3 EPSS 0.01%
Updated Mar 23, 2026
Parameter Value
CVSS 7.3 (HIGH)
Type CWE-427 (Uncontrolled Search Path Element), CWE-426
Public PoC No

A security flaw has been discovered in Flos Freeware Notepad2 4.2.25. This affects an unknown function in the library PROPSYS.dll. Performing a manipulation results in uncontrolled search path.

The attack is only possible with local access. The attack is considered to have high complexity. The exploitability is reported as difficult.

The vendor was contacted early about this disclosure but did not respond in any way.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0