CVE-2026-4545
Received Received - Intake
Uncontrolled Search Path Vulnerability in Notepad2 PROPSYS.dll

Publication date: 2026-03-22

Last updated on: 2026-04-30

Assigner: VulDB

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.
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Meta Information
Published
2026-03-22
Last Modified
2026-04-30
Generated
2026-06-16
AI Q&A
2026-03-22
EPSS Evaluated
2026-06-14
NVD
CVE-2026-4545
EUVD
EUVD-2026-14299
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
flos-freeware notepad2 4.2.25
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-427 The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.
CWE-426 The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.
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Executive Summary

This vulnerability is a security flaw found in Flos Freeware Notepad2 version 4.2.25, specifically involving an unknown function in the PROPSYS.dll library. It allows an attacker with local access to perform a manipulation that results in an uncontrolled search path. This means the program may load malicious files or code from unintended locations due to improper handling of file paths.

The attack requires high complexity and is considered difficult to exploit.

Impact Analysis

If exploited, this vulnerability can lead to a compromise of confidentiality, integrity, and availability of the affected system. Because the uncontrolled search path can be manipulated, an attacker with local access might execute malicious code or cause the application to behave unexpectedly, potentially leading to system compromise or data loss.

Compliance Impact

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