CVE-2026-4546
CWE-426Published: March 22, 2026· Updated: Mar 23, 2026
Official Description
A weakness has been identified in Flos Freeware Notepad2 4.2.25. This impacts an unknown function in the library TextShaping.dll. Executing a manipulation can lead to uncontrolled search path. The attack is restricted to local execution. The attack requires a high level of complexity. The exploitability is said to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.
Technical Analysis
CVE-2026-4546 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.0.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (4)
Quick Facts
Related CVEs (CWE-426)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-4546 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts