Vulnerability in Flos Freeware Notepad2
CVE-2026-4545
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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (6.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
- Flos Freeware Notepad2 — versions 4.2.25
- Flos-Freeware Notepad2 — versions 4.2.25
Weakness classification (CWE)
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- drive.google.com/file/d/1o3A3x47B2gi645H02-28qgoIgGN-g6rK/view (Permissions Required, related)
Frequently asked questions
- What is CVE-2026-4545?
- CVE-2026-4545 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-2026-4545?
- High severity. CVSS v3 base score is 7.0 out of 10.