Microsoft’s February 2026 Patch Tuesday focuses on closing security gaps that attackers could exploit, reinforcing the importance of timely patching in enterprise environments. Here’s a quick breakdown of what you need to know. This month’s release addresses 61 vulnerabilities, including five critical and 52 important-severity vulnerabilities. In this month’s updates, Microsoft has addressed six zero-day vulnerabilities that have been exploited in the wild. Microsoft addressed one vulnerability in Microsoft Edge (Chromium-based) that was patched earlier this month.