CVE-2026-4545

HIGH

Flos Freeware Notepad2 PROPSYS.dll uncontrolled search path

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 7.0
EPSS 0.0002
EPSS Percentile 5.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-426 CWE-427
Status published
Products (1)
Flos Freeware/Notepad2 4.2.25
Published Mar 22, 2026
Tracked Since Mar 22, 2026