What is CVE-2026-4546?

CVE-2026-4546 is a high-severity vulnerability in Flos Freeware Notepad2, classified under Untrusted Search Path. CVSS score: 7.0/10. Published 2026-03-22.

How severe is CVE-2026-4546?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Flos Freeware Notepad2

CVE-2026-4546

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.

EPSS: 0.002 (11.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Flos Freeware Notepad2 — versions 4.2.25
Flos-freeware Notepad2 — versions 4.2.25

Weakness classification (CWE)

References

cna@vuldb.com (VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required)
cna@vuldb.com (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (Permissions Required, related)

Frequently asked questions

What is CVE-2026-4546?: CVE-2026-4546 is a high-severity vulnerability in Flos Freeware Notepad2, classified under Untrusted Search Path. CVSS score: 7.0/10. Published 2026-03-22.
How severe is CVE-2026-4546?: High severity. CVSS v3 base score is 7.0 out of 10.