Microsoft Patch Tuesday security updates for July 2026 broke a record: Microsoft provided fixes for 628 CVEs across Windows OS (416 CVE’s), Microsoft Office, Azure cloud services, Defender, Exchange Server, Edge, SharePoint Server and SQL Server. At least three CVEs are exploited in the wild:
CVE-2026-56155 Active Directory Federation Services Elevation of Privilege Vulnerability
CVE-2026-56164 Microsoft SharePoint Server Elevation of Privilege Vulnerability
CVE-2026-58644 Microsoft SharePoint Remote Code Execution Vulnerability
The record-breaking volume of patches signals a significant increase in vulnerability discovery rates across Microsoft’s product ecosystem.
Microsoft cited its use of AI to help uncover previously undiscovered security bugs in its software.
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