CVE-2026-4546 HIGH

CVE-2026-4546: Flos Freeware Notepad2 TextShaping.dll uncontrolled search path

Vendor Flos Freeware
Product Notepad2
Weakness CWE-427
Published March 22, 2026
Last update March 23, 2026

CVSS base score

7.3/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X

What the vulnerability does

01Description

A weakness has been identified in Flos Freeware Notepad2 4.2.25. This impacts an unknown function in the library TextShaping.dll. Executing a manipulation can lead to uncontrolled search path. The attack is restricted to local execution. The attack requires a high level of complexity. The exploitability is said to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

March 22, 2026 CVE published
March 23, 2026 Record updated