Editor’s Note: Over the course of nearly 300 posts, Jonathan Bennett set a very high bar for this column, so we knew it needed to be placed in the hands of somebody who could do it justice. That’s why ...

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 ...

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 ...

Windows Latest has learned that Microsoft is adding image support to Notepad on Windows 11, and sources told us that the feature has “minimal impact” on performance. Microsoft sources also told us ...

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 ...

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 ...

The Windows 11 Notepad app, recently upgraded with AI features, now carries a high-severity flaw that exposes users to dangerous attacks. Hackers can simply send boobytrapped text files and remotely ...

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 ...

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 has confirmed a major Remote Code Execution vulnerability in the modern Notepad app on Windows 11, and the fix is now rolling out as part of the February 2026 Patch Tuesday update. The ...

Modified from the Windows NT 5.2 source, with additions from NotePadEx, and compiler optimizations. Requires MSVS 2017 or 2019 and the v141_xp Windows XP toolchain ...

Bloat Risk? Microsoft's Notepad Upgrade Also Introduced a Vulnerability The flaw exploits Notepad’s recently added support for Markdown, a formatting language used on websites and in files, to run ...