CVE-2026-4545

Flos Freeware Notepad2 PROPSYS.dll uncontrolled search path

HIGH
7
CVSS Score
Published: March 22, 2026 at 11:20 AM UTC
Updated: June 17, 2026 at 10:56 AM UTC
1 product affected across 1 vendorNotepad2

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Severity
HIGH7
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryThird Party Advisory
Source: cverecord
https://vuldb.com/?id.352372
SignaturePermissions Required
Source: cverecord
https://vuldb.com/?ctiid.352372
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.774752

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-427CWE-426

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