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CVE-2025-49144

7.3 · HIGH

Notepad++ is a free and open-source source code editor.

Published Jun 23, 2025CWE-272EPSS 0.66%

Overview

CVE-2025-49144 is a high-severity vulnerability. It was published on June 23, 2025 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdrive.google.com/drive/folders/11yeUSWgqHvt4Bz5jO3ilRRfcpQZ6GvpnGitHubgithub.com/notepad-plus-plus/notepad-plus-plus/commit/f2346ea00d5b4d907ed39d8726b38d77c8198f30GitHubgithub.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-9vx8-v79m-6m24Refwww.vicarius.io/vsociety/posts/cve-2025-49144-detect-notepad-vulnerabilityRefwww.vicarius.io/vsociety/posts/cve-2025-49144-detect-notepad-vulnerability-1Refwww.vicarius.io/vsociety/posts/cve-2025-49144-mitigate-notepad-vulnerabilityRefwww.vicarius.io/vsociety/posts/cve-2025-49144-mitigate-notepad-vulnerability-1

How CyberStrike helps

Frequently asked questions

What is CVE-2025-49144?

CVE-2025-49144 is a high-severity vulnerability. It was published on June 23, 2025 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-49144?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-49144?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-49144?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-49144 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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