7.3
HIGH CVSS 4.0
CVE-2026-4546
Flos Freeware Notepad2 TextShaping.dll uncontrolled search path
Description

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.

INFO

Published Date :

March 22, 2026, 2:16 p.m.

Last Modified :

March 22, 2026, 2:16 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-4546 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Address uncontrolled search path vulnerability by updating the application.
  • Update Flos Freeware Notepad2 to a patched version.
  • Apply vendor security patches when available.
  • Validate search path configurations.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-4546.

URL Resource
https://drive.google.com/file/d/1w5-ztNIN28mPuidtjlsilKsKKQQNOiIJ/view
https://vuldb.com/?ctiid.352373
https://vuldb.com/?id.352373
https://vuldb.com/?submit.774778
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-4546 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-4546 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-4546 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-4546 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Mar. 22, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V2 (AV:L/AC:H/Au:S/C:C/I:C/A:C)
    Added CWE CWE-427
    Added CWE CWE-426
    Added Reference https://drive.google.com/file/d/1w5-ztNIN28mPuidtjlsilKsKKQQNOiIJ/view
    Added Reference https://vuldb.com/?ctiid.352373
    Added Reference https://vuldb.com/?id.352373
    Added Reference https://vuldb.com/?submit.774778
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.