Vulnerability in Flos Freeware Notepad2
CVE-2026-2538
A security flaw has been discovered in Flos Freeware Notepad2 4.2.22/4.2.23/4.2.24/4.2.25. Affected is an unknown function in the library Msimg32.dll. Performing a manipulation results in uncontrolled search path. Attacking locally is a requirement. The attack's complexity is rated as high. The exploitability is told to be 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 (4.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Flos Freeware Notepad2 — versions 4.2.22, 4.2.23, 4.2.24
Weakness classification (CWE)
References
- vuldb.com/ (vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/Cyber-Wo0dy/report/blob/main/notepad2/4.2.25/notepad2_dll_hijacking… (related)
Frequently asked questions
- What is CVE-2026-2538?
- CVE-2026-2538 is a high-severity vulnerability in Flos Freeware Notepad2, classified under Untrusted Search Path. CVSS score: 7.0/10. Published 2026-02-16.
- How severe is CVE-2026-2538?
- High severity. CVSS v3 base score is 7.0 out of 10.