Microsoft Patch Tuesday July 2026 delivered the company's largest security update to date, addressing 622 Microsoft CVEs, more than tripling the roughly 200 vulnerabilities patched in June. Among the fixes are two zero-day vulnerabilities—CVE-2026-56164 and CVE-2026-56155—that Microsoft confirmed are being actively exploited, making them the highest-priority updates in this month's release. 

According to Microsoft's July 2026 Security Updates, the release includes patches across multiple product families. Windows accounts for the largest share with 416 vulnerabilities, followed by Office with 82, Microsoft Edge with 46, Developer Tools with 27, SharePoint Server with 17, Azure with 11, SQ...