By Editor , 18 October 2026 Coalition Sends 49 Zero-Day Alerts as Patch Tuesday Hits 569 Flaws Global -- Coalition sent just 49 Zero-Day Alerts (ZDAs) between May 1 and August 1, 2026, even as Microsoft's July Patch Tuesday swelled to 569 vulnerabilities, and 94% of its policyholders did not receive a single one.