Ugh, no name security site, paywalled article. Here are the details from Notepad++'s maintainer (https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-9vx8-v79m-6m24 ) and the CVE : https://nvd.nist.gov/vuln/detail/CVE-2025-49144
this post was submitted on 24 Jun 2025
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PoC Released for Notepad++ Flaw Enables Privilege Escalation to NT AUTHORITY\SYSTEM
(securityonline.info)