hackfaiz/cve-2026-20841-pocProof of concept demonstrating command execution in Microsoft Notepad via crafted files, enabling arbitrary code execution and system compromise.
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 references. When a user opens or interacts with a crafted file in Notepad, it may allow execution of system commands such as cmd.exe, powershell.exe, or other binaries.
Basic Information
CVE ID: CVE-2026-20841 Affected Component: Microsoft Notepad Vulnerability Type: Command Execution Attack Vector: User Interaction (Opening a crafted file)
Impact An attacker could trick a user into opening a maliciously crafted file in Notepad, which could result in: Launching system commands Executing arbitrary code Potential system compromise depending on user privileges
Mitigation Apply official security patches Avoid opening untrusted files Restrict command execution via system policies
