Microsoft April 2026 Patch Tuesday Fixes 167 Flaws, Including 2 Zero-Days

Microsoft released its April 2026 Patch Tuesday security updates, addressing 167 vulnerabilities across its products. The updates include fixes for two zero-day flaws that were actively exploited prior to patching. The release occurred on the scheduled Patch Tuesday date in April 2026, targeting Microsoft software and systems. No specific CVE IDs or detailed technical impacts for the zero-days were disclosed in the available content. The updates are part of Microsoft’s routine monthly security maintenance cycle.