CVE-2026-4545Disclosure(flos-freeware / notepad2)

LOWCVSS 7.3 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-426CWE-427

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • notepad2

Threat summary

  • 4 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 3 classified signals
  • General: 1 classified signal
  • Peaked 1d ago at 3 mentions (2026-03-22); latest day: 1
  • 4 total mentions across 2 days

Affected systems

Products
notepad2

1 version affected across 1 product

Deep dive

Activity timeline4 mentions / 2d
01223Mentions · 2026-03-22: 3Mentions · 2026-03-23: 1Technical Details · 2026-03-22: 203-2203-23
Signal classification2 categories
Disclosure
375.0%
General
125.0%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-03-223
Disclosure2General1
2026-03-231
Disclosure1
Full discourse4 posts
  • CVE@CVEnew
    Disclosure

    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 … https://www.cve.org/CVERecord?id=CVE-2026-4545

    Post summary

    A new CVE (CVE-2026-4545) affecting Flos Freeware Notepad2 via a vulnerability in PROPSYS.dll has been announced, but no further technical or exploitation details are provided.

    00000114
    56.8K followersView on X
  • RedPacket Security@RedPacketSec
    Disclosure

    CVE Alert: CVE-2026-4545 - Flos Freeware - Notepad2 - https://www.redpacketsecurity.com/cve-alert-cve-2026-4545-flos-freeware-notepad2/ #OSINT #ThreatIntel #CyberSecurity #cve-2026-4545 #flos-freeware #notepad2

    Post summary

    The post alerts to CVE-2026-4545 affecting Flos Freeware Notepad2, providing a link to a CVE alert page but offering no further technical detail, exploits, or patches.

    0000058
    3.6K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    General

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-4545 - Flos Freeware Notepad2 PROPSYS.dll uncontrolled search path Intel Report: https://ift.tt/kmEYaD8

    Post summary

    The tweet merely announces CVE‑2026‑4545 for an uncontrolled search path issue in PROPSYS.dll and includes a link to an Intel report, but provides no evidence of active exploitation, PoC, or patch information.

    0000016
    292 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-4545 Local Privilege Escalation in Flos Freeware Notepad2 via Uncontrolled Search Path https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-4545

    Post summary

    A new CVE (2026‑4545) reports local privilege escalation in Flos Freeware Notepad2 via an uncontrolled search path. No proof‑of‑concept, exploit code, or patch information is provided in this brief announcement.

    0000033
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appflos-freewarenotepad24.2.25--

Explore more