First, make sure you're signed into your Windows 11 PC with an account that has administrative privileges. By default, your own account should have the necessary rights. To confirm this, go to ...

High-severity flaw fixed in Windows 11 Notepad ...

Microsoft has fixed a "remote code execution" vulnerability in Windows 11 Notepad that allowed attackers to execute local or remote programs by tricking users into clicking specially crafted Markdown ...

Clicking the malicious links could launch "unverified protocols." ...

There's a remote code execution vulnerability in Notepad which is leveraged via the recently introduced formatting abilities to make tables in the app.