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Vulnerability record · CVE-2026-2538 · published 16 February 2026

CVE-2026-2538: Untrusted search path vulnerability

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.

7.3 CVSS 4.0 High EPSS 0.16% · top 95.1% CWE-426 · Untrusted search pathCWE-427 · Uncontrolled search path element Deferred
7.3CVSS 4.0 base score, v2 6.0
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/Cyber-Wo0dy/report/blob/main/notepad2/4.2.25/notepad2_dll_hijacking.md
https://vuldb.com/?ctiid.346126
https://vuldb.com/?id.346126
https://vuldb.com/?submit.749345

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Source: NIST National Vulnerability Database (record CVE-2026-2538), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.