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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.

PUBLISHED Reserved 2026-02-15 | Published 2026-02-16 | Updated 2026-02-23 | Assigner VulDB




HIGH: 7.3CVSS: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
HIGH: 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
HIGH: 7.0CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
6.0AV:L/AC:H/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR

Problem types

Uncontrolled Search Path

Untrusted Search Path

Product status

4.2.22
affected

4.2.23
affected

4.2.24
affected

4.2.25
affected

Timeline

2026-02-15:Advisory disclosed
2026-02-15:VulDB entry created
2026-02-20:VulDB entry last update

References

vuldb.com/?id.346126 (VDB-346126 | Flos Freeware Notepad2 Msimg32.dll uncontrolled search path) vdb-entry

vuldb.com/?ctiid.346126 (VDB-346126 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.749345 (Submit #749345 | flo's freeware Notepad2 4.2.25 DLL Hijacking) third-party-advisory

github.com/...main/notepad2/4.2.25/notepad2_dll_hijacking.md related

cve.org (CVE-2026-2538)

nvd.nist.gov (CVE-2026-2538)

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