Microsoft: Critical Security Issue Found in Windows Notepad

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

Windows Notepad is now complex enough to have a serious security flaw

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 ...
TechRadar

Microsoft patches concerning Windows 11 Notepad security flaw - Markdown issues could have let hackers slip in malware without warning

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 ...
TweakTown

Extra features for Windows 11 Notepad go beyond worries about bloat, as new security flaw shows

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, ...
TechSpot

Unwanted AI upgrade to Windows Notepad created a serious security flaw

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 ...
PC Magazine

Another Week, Another Data Disaster: Substack, Coinbase, and a Malicious Notepad++ Update

If you have accounts on any of these services, now's a good time to check your security settings. Plus more from a busy week in cybersecurity chaos. I've been writing and editing stories for almost ...
Hosted on MSN

Use Notepad's new Markdown feature? Update it now to ensure you're safe.

Notepad, one of the oldest and most reliable apps in the Windows ecosystem, has been undergoing some big changes during the Copilot AI era. Unfortunately, one of its new features was prone to a ...
BBC

TikTok is tracking you, even if you don't use the app. Here's how to stop it

TikTok is growing its data harvesting empire, and avoiding the app won’t protect you – but some easy steps can keep you safe. TikTok keeps track of everything you do on its app – no surprises there.
Case Western Reserve University

Data Collection

Data collection is the process of gathering and measuring information used for research. Collecting data is one of the most important steps in the research process, and is part of all disciplines ...
PC Magazine

Bloat Risk? Microsoft's Notepad Upgrade Also Introduced a Vulnerability

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 ...
PC Gamer

Thanks to Microsoft adding all those extra features to Notepad, it now unfortunately sports one more: An exploitation vulnerability with a high security rating

At least it's easy enough to avoid, until Notepad gets patched to fix the problem. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.