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

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...

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-2026-3008

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-2026-20841_notepad_analysis

Purpose Investigate the Microsoft Notepad RCE vulnerability CVE-2026-20841, perform binary analysis, and create a PoC exploit for learning purposes. Role Assignment Launch an Agent Team to execute the role assignment I have in mind. Binary Hunter: Collects binaries before and after the patch is...

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...

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-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-2026-20841

The accuracy of this PoC trigger method has not been verified, and it should be considered informational/reference only. CVE-2026-20841 - Windows notepad.exe RCE Exploitation condition: Test on : Notepad Version 11.2510.14.0 step 1 : Save File step 2 : Open file Note: It does prompt to open progr...

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,...

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...

CVE-2023-6401

CVE-2023-6401 · DLL Hijacking Proof-of-Concept English | 中文 中文 ⚠️ 重要聲明：僅供安全研究和教育目的使用 NotePad++ ≤ 8.1 DLL劫持漏洞的概念驗證。通過在應用程式目錄放置惡意 dbghelp.dll 來執行任意程式碼。 快速開始 下載專案 git clone https://github.com/mekitoci/CVE-2023-6401.git 進入專案目錄 cd CVE-2023-6401-main 編譯DLL gcc -shared -o dbghelp.dll dbghelp.c -Wall...

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...

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-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...

CVE-2026-48778

CVE-2026-48778 POC Notepad++ RCE via config.xml commandLineInterpreter Usage .\CVE-2026-48778.exe calc.exe Demo https://github.com/user-attachments/assets/79ec82c9-ab37-4923-b62d-325710095e86 Vulnerability Summary Package| Affected versions| Patched versions ---|---|--- Notepad++| = v8.9.6|...

CVE-2026-20841

🛡️ CVE-2026-20841 - Windows Notepad Security Test Tool ⚠️ What is CVE-2026-20841? CVE-2026-20841 is a known security weakness in the Windows Notepad application. It affects the markdown feature, which lets Notepad display formatted text with clickable links. This weakness happens because the...

CVE-2026-52886

Path Traversal: startswith Prefix Check Bypass Notepad++ — Arbitrary File Read viasession.xml backupFilePath Traversal Advisory GHSA: GHSA-rqfm-pw34-r7j6 CVE: CVE-2026-52886 Severity: Moderate Affected: v8.9.6.4 Patched: v8.9.7 Patch Commit: 7e66f36 Affected File: PowerEditor/src/Notepadplus.cpp...

forensicscanner

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