securewithumer

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SecureWithUmer / Exploit-Index

The Ultimate CVE Proof of Concept (PoC) & Exploit Database. A zero-API, high-performance aggregator for 0days, vulnerabilities, and Threat Intelligence. Replacing manual searches for elite SOC teams, DevSecOps, and Bug Bounty Hunters.

Updated Oct 7, 2026
Python

SecureWithUmer / CVE-2026-20841

Star

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

exploit notepad cve windows-notepad command-injection 2026 cve-2026-20841 notepad-vulnerability notepad-exoploit securewithumer

Updated Feb 12, 2026

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