CVE-2025-49144_PoC

CVE-2025-49144PoC 📌 CVE-2025-49144 is a high-severity local privilege escalation vulnerability found in the Notepad++ v8.8.1 and prior version installers. This vulnerability stems from uncontrolled executable search path behavior during installation, allowing a local attacker to gain SYSTEM-level...

forensicscanner

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CVE-2025-56383-Proof-of-Concept

Notepad++ v8.8.3 has a DLL hijacking vulnerability, which can replace the original DLL file to execute malicious code. The example method is as follows: Please note that the following demonstration uses npp.8.8.3.Installer.x64.exe to install Notepad++for testing, but in reality, any installed...

CVE-2026-52885

TOCTOU: HMAC Checks Disk, Executes from Memory Notepad++ v8.9.6.2 — Attacker-Controlled UserCommand Execution via HMAC Race Condition Advisory | ---|--- GHSA| GHSA-qm4c-qg8p-qfcr CVE| CVE-2026-52885 Severity| High Affected| v8.9.6.2 Patched| v8.9.6.4 Patch Commit| 4f7563c Affected File|...

CVE-2026-20841-PoC

It is unclear whether this is the correct PoC trigger method; therefore, it is provided for reference only. CVE-2026-20841 - Windows notepad.exe RCE Exploitation condition: Notepad Version 11.2510 step 1. step 2...

CVE-2026-20841

CVE-2026-20841 - Windows Notepad Remote Code Execution RCE Security Research & Technical Analysis Repository ⚠️ This repository is intended for educational, defensive, and research purposes only. 📖 Overview CVE-2026-20841 is a critical Remote Code Execution RCE vulnerability affecting Microsoft...

CVE-2025-15556-Notepad-WinGUp-Updater-RCE

Affected Software: Notepad++ versions prior to 8.8.9 using the WinGUp updater. Vulnerability Type: Update integrity verification bypass leading to arbitrary code execution. Description: The WinGUp updater fails to properly verify the integrity of update metadata, allowing an attacker who can...

CVE-2025-49144

Notepad++ Binary Planting PoC CVE-2025-49144 ⚠️ EDUCATIONAL PURPOSE ONLY This code is designed for educational and research purposes to understand binary planting vulnerabilities. Use only in controlled environments with proper authorization. 📋 Overview This Proof of Concept demonstrates the binar...

CVE-2026-20841

CVE-2026-20841 - Windows Notepad RCE PoC for a remote code execution flaw in Windows Notepad's markdown renderer. The markdown engine does not restrict URL protocols, allowing arbitrary protocol handlers to be triggered via clickable links. Disclaimers 1. Not my discovery. Credit goes to the...

CVE-2026-20841

CVE-2026-20841 PoC PoC of the "Windows Notepad RCE" vulnerability. Disclaimers 1. I am NOT the one who discovered this vulnerability. Props to the original authors listed on the official disclosure page. I just recreated the PoC according to the description. 2. I personally don't think this...

CVE-2026-3008

CVE-2026-3008 — Notepad++ 8.9.3 Format String Injection via nativeLang.xml Vulnerability When a search operation produces results, sub1400916C0 formats a hit count label by retrieving a localized string from nativeLang.xml and passing it directly as the format string to wsprintfW: sub140099E60v37...

CVE-2023-40031

CVE-2023-40031 Analysis and Reproduction of notepad++ Heap Buffer Overflow Vulnerability CVE-2023-40031 Vulnerability Overview Notepad++ is a well-known open-source code editor that runs on Windows and supports multiple programming languages. Recently, security researchers examined Notepad++ and...

Notepad-8.8.1_CVE-2025-49144

CVE-2025-49144 – Exploit for Notepad++ 8.8.1 This repository contains a functional Proof of Concept PoC that exploits the CVE-2025-49144 vulnerability in the Notepad++ 8.8.1 installer. The malicious execution occurs by placing a binary regsvr32.exe in the same directory as the vulnerable installe...

Notepad-8.9.6-PoC

Notepad++ PoCs CVE-2026-48770 / CVE-2026-48778 / CVE-2026-48800 Proof-of-concept scripts for three vulnerabilities in Notepad++ = 8.9.6, patched in v8.9.6.1 2026-05-26. Vulnerabilities CVE| Type| CVSS| Impact ---|---|---|--- CVE-2026-48770| OOB Read via WMCOPYDATA| 5.0| DoS / Crash CVE-2026-48778...

CVE-2026-20841

CVE-2026-20841 - Windows Notepad RCE PoC for a remote code execution flaw in Windows Notepad's markdown renderer. The markdown engine does not restrict URL protocols, allowing arbitrary protocol handlers to be triggered via clickable links. Disclaimers 1. Not my discovery. Credit goes to the...

CVE-2026-48800-PoC

CVE-2026-48800 — Notepad++ Arbitrary Code Execution PoC Severity: High | Affected: Notepad++ ≤ 8.9.6 | Patched: v8.9.6.1 A PoC script for CVE-2026-48800, an arbitrary code execution vulnerability in Notepad++ ≤ 8.9.6 via shortcuts.xml. For full technical details, see the official security advisor...

notepad_CVE_2026_20841

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CVE-2026-20841-PoC

CVE-2026-20841-PoC Proof of Concept for CVE-2026-20841 CVE-2026-20841 – Details CVE-2026-20841 is a vulnerability affecting Microsoft Notepad, where specially crafted input can trigger unintended command execution. The issue occurs due to improper handling of certain file content or execution...

PoC-CVE-2026-20841

PoC CVE-2026-20841 Description This project is a simple Proof of Concept PoC regarding Windows Notepad vulnerability about "remote code execution". Attackers have the ability to build a special .md file and by tricking users with Social Engineering skills into clicking the link within the .md fil...

CVE-2026-20841

CVE-2026-20841 This content corresponds to a part of what is provided through the Monthly Report for PatchPoint subscribers. Overview Microsoft disclosed a patch for an RCE vulnerability in Notepad in February 2026. The vulnerability is a Command Injection vulnerability that occurs in Notepad,...