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 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 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 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 ...

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 ...

As Microsoft continues to force AI features onto users of its Windows operating system and other crucial software, glaring issues keep cropping up. Executives have promised to turn the platform into ...

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 ...

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

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 ...

Catch up with this week's Microsoft Weekly news recap about a shakeup at the company's gaming division, some changes to the Windows 11 Canary channel, and more.

Users could be tricked into running arbitrary code, but the issue was patched last week. February 17, 2026 Add as a preferred source on Google Add as a preferred source on Google Microsoft patched a ...