PT-2026-26976 · Flos Freeware · Notepad2

Haehanse + 1 · Published 2026-03-22 · Updated 2026-03-22 · CVE-2026-4545

Mitre

CVSS v3.1

7.0

High

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Uncontrolled Search Path Element

Untrusted Search Path

Weakness Enumeration

CWE-427

CWE-426

Related Identifiers

CVE-2026-4545

Affected Products

Notepad2

References · 4

• https://vuldb.com/?id.352372 · Note
• https://vuldb.com/?submit.774752 · Note
• https://drive.google.com/file/d/1o3A3x47B2gi645H02-28qgoIgGN-g6rK/view · Note
• https://vuldb.com/?ctiid.352372 · Note