Windows 11 Notepad Flaw Let Files Execute Silently via Markdown Links
Microsoft has patched a high-severity vulnerability in Windows 11’s Notepad that allowed attackers to silently execute local or remote programs when a user clicked a specially crafted Markdown link, all without triggering any Windows security warning.

The flaw, tracked as CVE-2026-20841 and fixed in the February 2026 Patch Tuesday upda … ⌘ Read more