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 ...

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 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 ...

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 ...

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 XML Data Integrity Checksum (XDIC) project provides a standard and reference implementation for embedding checksums in XML files. This approach is designed to ensure the integrity of XML data ...

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 ...

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 ...

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 ...

Infrastructure delivering updates for Notepad++—a widely used text editor for Windows—was compromised for six months by suspected China-state hackers who used their control to deliver backdoored ...