June 2026 is the largest Patch Tuesday in history, fixing 206 vulnerabilities and three publicly disclosed zero-days.

Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws and three publicly disclosed zero-day vulnerabilities.

Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws, including five publicly disclosed zero-day vulnerabilities and one actively exploited in attacks.