cve 2026 20841

Microsoft’s February security update closed a dangerous loophole in the modern Windows Notepad app that let a crafted Markdown (.md) document turn into a remote code execution (RCE) trap when a user clicked a malicious link—an issue tracked as CVE‑2026‑20841 and fixed as part of Patch Tuesday...

Microsoft has patched a surprisingly dangerous hole in the modern Windows 11 Notepad app that allowed clickable Markdown links to invoke non‑web protocols and launch files without the usual Windows confirmation, tracked as CVE‑2026‑20841 and fixed in the February 2026 Patch Tuesday updates...

Microsoft hat eine kritische Sicherheitslücke in der modernen Notepad‑App für Windows 11 geschlossen und gleichzeitig die Debatte darüber neu entfacht, wie weit „leichte“ System‑Apps modernisiert werden dürfen, bevor sie zur Angriffsfläche werden — die Lücke wurde als CVE‑2026‑20841...

Notepad—the tiny, trusted scribble pad that shipped with Windows for decades—just reminded us that feature creep can change a threat model overnight. Background Windows 11 is nominally the operating system that tried to modernize every corner of the desktop: new visuals, Snap Layouts for...

Microsoft's modernized Notepad shipped a high‑severity surprise this week: a command‑injection flaw in the app’s Markdown link handling can be weaponized to execute code under the context of the logged‑in user if an unwitting person opens a malicious .md file and clicks a crafted link. The...

If you’re running Windows 11, update now — Microsoft has closed a high‑severity remote code execution flaw in the modern Notepad app that could let a single click in a Markdown file turn into code execution under your user account. Background: Notepad’s unexpected attack surface Notepad has been...

Microsoft's February 10, 2026 Patch Tuesday closed a surprising and high‑severity hole in the modern Windows Notepad app: a command‑injection style flaw in Notepad's Markdown link handling (CVE‑2026‑20841) that could let a deceptively simple Markdown file become an execution trigger when a user...

Microsoft’s February Patch Tuesday closed a dangerous loophole in the modern Windows Notepad app that could let a deceptively simple Markdown (.md) file become an engine for remote code execution when a user clicked a crafted link. Background / Overview Notepad’s recent transformation from a...

Microsoft’s February Patch Tuesday closed a dangerous loophole in the modern Notepad app that could let an attacker turn a simple Markdown (.md) file into a remote code execution (RCE) trap — a single click on a crafted link inside Notepad’s Markdown view could launch unverified protocols and...

Notepad’s quietly expanded Markdown preview just became a public-security problem — and you should update now if you use the app’s Markdown or clickable-link features. Background / Overview Microsoft disclosed and patched CVE-2026-20841 on February 10, 2026: a command‑injection...

Microsoft issued an urgent fix this week for a high‑severity vulnerability in the modern Windows Notepad app that could allow an attacker to execute arbitrary commands on a target PC simply by getting a user to open a specially crafted Markdown (.md) file and click a link inside it. The flaw...

Microsoft’s Security Update Guide has recorded CVE-2026-20841 as a Remote Code Execution (RCE) vulnerability affecting the Windows Notepad app, and the vendor’s terse advisory combined with its “report confidence” metadata demands immediate, measured action from system administrators and...