CVE•Published 2026-03-22•Modified 2026-04-30•0 articles on news•5 live references•NVD data

CVE-2026-4546Flos-freeware · Notepad2

Vulnerability data via NVD (ingested)

CVSS v3.1

7.0

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 97% of all CVEs

Weaknesses (CWE)

CWE-426Untrusted Search Path CWE-427Uncontrolled Search Path Element

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.

Timeline

Published 2026-03-22

Modified 2026-04-30

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-4546

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product + version

product:"Flos-freeware Notepad2" version:"4.2.25"

Version-pinned fingerprint from NVD's first vulnerable CPE.

Shodan · banner/body mention

http.html:"Notepad2"

HTTP body or banner mentions "Notepad2" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-4546