Windows Notepad is now complex enough to have a serious security flaw

You can infect your PC with malware without ever leaving Notepad, thanks to recent updates and additions. Hooray.

Microsoft plugs remote code vulnerability in Notepad app on Windows 11

Microsoft fixes a critical Notepad vulnerability in Windows 11 that could allow remote code execution via malicious Markdown files. Here are the details ...
XDA Developers on MSN

Microsoft patches critical Notepad flaw that exploited Markdown files

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

Extra features for Windows 11 Notepad go beyond worries about bloat, as new security flaw shows

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

Microsoft Patches High-Severity Notepad Remote Code Execution Flaw

Microsoft has patched the Windows Notepad remote code execution vulnerability CVE-2026-20841, warning users to install ...