Microsoft confirms CVE-2026-20841, a Remote Code Execution flaw in Windows 11 Notepad via Markdown links. Patch now rolling out.

Today is Microsoft' 2026 Patch Tuesday with security updates for 58 flaws, including 6 actively exploited and three publicly disclosed zero-day vulnerabilities.

Attackers have not waited for Exploit Wednesday; the Microsoft Windows zero-day attacks have already started. Here’s what you need to know and do.

Russian-state hackers wasted no time exploiting a critical Microsoft Office vulnerability that allowed them to compromise the ...

Russia-linked hacking group Fancy Bear is exploiting a brand-new vulnerability in Microsoft Office, CERT-UA says ...

Important security updates have been released for Exchange Server, Hyper-V, Office, and Windows, among others. There are already attacks.

Microsoft has patched the Windows Notepad remote code execution vulnerability CVE-2026-20841, warning users to install ...

Email attachments remain one of the most trusted entry points into enterprise environments. Despite years of awareness training and secure email gateways, attackers continue to rely on documents ...

Ukraine's Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026-21509, a recently patched vulnerability in multiple versions of Microsoft Office.

Microsoft said it recently fixed a security flaw in Notepad that could let an attacker download and run malicious code.

Microsoft issues emergency patch for a critical WSUS flaw enabling remote code execution CVE-2025-59287 allows unauthenticated attackers to gain SYSTEM privileges without user interaction An ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, August 10, 2025: This story, originally published on ...