CVE-2025-49144

Notepad++ is a free and open-source source code editor. In versions 8.8.1 and prior, a privilege escalation vulnerability exists in the Notepad++ v8.8.1 installer that allows unprivileged users to gain SYSTEM-level privileges through insecure executable search paths. An attacker could use social engineering or clickjacking to trick users into downloading both the legitimate installer and a malicious executable to the same directory (typically Downloads folder - which is known as Vulnerable directory). Upon running the installer, the attack executes automatically with SYSTEM privileges. This issue has been fixed and will be released in version 8.8.2.

• CWE-272
• CWE-276
• CWE-427

• https://drive.google.com/drive/folders/11yeUSWgqHvt4Bz5jO3ilRRfcpQZ6Gvpn
• https://github.com/notepad-plus-plus/notepad-plus-plus/commit/f2346ea00d5b4d907ed39d8726b38d77c8198f30
• https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-9vx8-v79m-6m24
• https://www.vicarius.io/vsociety/posts/cve-2025-49144-detect-notepad-vulnerability
• https://www.vicarius.io/vsociety/posts/cve-2025-49144-detect-notepad-vulnerability-1
• https://www.vicarius.io/vsociety/posts/cve-2025-49144-mitigate-notepad-vulnerability
• https://www.vicarius.io/vsociety/posts/cve-2025-49144-mitigate-notepad-vulnerability-1

Published

Jun 23, 2025

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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