PT-2026-27008 · Flos · Notepad2

Haehanse + 1 · Published 2026-03-22 · Updated 2026-04-30 · CVE-2026-4546

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Flos Freeware Notepad2 version 4.2.25

Description A weakness exists in Flos Freeware Notepad2 4.2.25, impacting an unknown function within the TextShaping.dll library. Exploitation involves a manipulation that can lead to an uncontrolled search path. The attack is limited to local execution and is considered difficult to exploit, requiring a high level of complexity. The vendor was contacted regarding this issue but did not respond.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Uncontrolled Search Path Element

Untrusted Search Path

Weakness Enumeration

CWE-427

CWE-426

Related Identifiers

CVE-2026-4546

Affected Products

Notepad2

References · 8

• 🔥 https://vuldb.com/?submit.774778 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4546 · Security Note
• https://twitter.com/CVEnew/status/2035992538776035425 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2035737804911587683 · Twitter Post
• https://t.me/cveNotify/161550 · Telegram Post
• https://vuldb.com/?ctiid.352373 · Note
• https://drive.google.com/file/d/1w5-ztNIN28mPuidtjlsilKsKKQQNOiIJ/view · Note
• https://vuldb.com/?id.352373 · Note