CVE-2026-4545
Uncontrolled Search Path Vulnerability in Notepad2 PROPSYS.dll
Publication date: 2026-03-22
Last updated on: 2026-04-30
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| flos-freeware | notepad2 | 4.2.25 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| 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. |
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know