Microsoft patches CVE-2026-20841, a high-severity Windows Notepad flaw that could allow code execution via malicious Markdown ...

AI-related changes to Notepad allowed attackers to execute arbitrary code on your computer. The vulnerability was related to ...

A command injection flaw in the Windows Notepad App now gives remote attackers a path to execute code over a network, turning ...

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 ...

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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 ...

When it comes to cybersecurity, Remote Code Execution is just about as bad as it gets, and that’s exactly what Microsoft has confirmed is affecting its Notepad app on Windows 11. The tech giant points ...

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 ...

PCWorld reports that Windows Notepad’s new Markdown support feature has introduced a serious remote code execution vulnerability with a high CVSS score of 8.8/7.7. The security flaw allows malicious ...

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 ...