Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest monthly security updates.

Microsoft has swiftly deployed an emergency patch to address a critical issue that has been preventing some Windows 11 systems from properly installing the May 2025 security update (KB5058405). The ...

Installing this month's Windows Server security update has knocked some enterprise domain controllers into continuous reboot cycles.

Every Patch Tuesday, there’s a moment where you hover over that “Install” button and wonder what you’re getting into. The ...

A fix introduced into Windows last month to close a weakness in Kerberos authentication is causing logon failures for some Windows Hello for Business (WHfB) users, Microsoft has warned. In theory, the ...

Microsoft has released new Windows 11 virtual machines available for free evaluation. Version 2401 includes the latest cumulative updates for Windows 11 version 22H2 and various developer tools.

After two decades of regular and indispensable updates, it’s clear that security teams need take a more holistic approach to applying fixes far beyond the Microsoft ecosystem. For two decades we have ...