Table of Contents
Vulnerability Details
Microsoft has addressed a serious security vulnerability impacting Markdown files in Notepad. According to the company's Tuesday patch notes, a bad actor could execute a remote code execution attack by deceiving users into clicking a malicious link within a Markdown file opened in Notepad, as previously covered by The Register.
Such a link would trigger unverified protocols, permitting attackers to remotely load and run malicious files on the victim's computer.
Patch and Exploitation Status
Microsoft confirms no evidence of this Notepad vulnerability (CVE-2026-20841) being exploited in the wild, yet it deployed a fix as part of its routine updates.
