Microsoft has fixed a security flaw in Notepad that could have allowed attackers to trick users into clicking harmful links inside Markdown files. The company resolved the issue in its latest patch ...

Microsoft has rolled out a security update to patch a critical vulnerability in its Notepad app. The development comes just a day after the developer of Notepad++, a popular alternative to Microsoft’s ...

Microsoft’s effort to modernize the humble Notepad app has come with a cost: Security researchers have discovered a serious vulnerability in the program following a feature update. The flaw, which ...

Microsoft patches Windows 11 Notepad RCE flaw CVE-2026-20841 Vulnerability exploited Markdown links to execute malicious code with user permissions Patch Tuesday update fixes issue; versions 11.2510 ...

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If you’re running Windows 11, it’s time to hit that update button. Microsoft has patched a high-severity remote code execution (RCE) vulnerability in the Windows 11 Notepad app that could allow ...

If a user opened this Markdown file in Windows 11 Notepad versions 11.2510 and earlier and viewed it in Markdown mode, the above text would appear as a clickable link. If the link is clicked with ...

Bad actors could use the flaw to remotely load and execute malicious files on a victim’s computer. Bad actors could use the flaw to remotely load and execute malicious files on a victim’s computer. is ...

Microsoft patched a high-severity command injection vulnerability in Windows Notepad through its February 2026 Patch Tuesday updates that allows attackers to execute malicious code remotely via ...

Just months after Microsoft added Markdown support to Notepad, researchers have found the feature can be abused to achieve remote code execution (RCE). Tracked as CVE-2026-20841 (8.8), the ...

The big picture: Microsoft released its latest Patch Tuesday update this week with 59 hotfixes across Windows, Microsoft Office, Azure, and core system components. The update includes patches for six ...

TL;DR: Windows 11's Notepad app has a security flaw rated as a 'high' severity vulnerability, one that allows for remote code execution. The good news is that it's already been patched by Microsoft, ...