EXECUTIVE SUMMARY
Microsoft’s July 2026 Patch Tuesday addresses approximately 570 vulnerabilities across Windows, Microsoft Office, SharePoint Server, Exchange Server, SQL Server, Azure, Hyper-V, Dynamics 365, Visual Studio, and other Microsoft enterprise products and services. The release includes 59 Critical vulnerabilities and a significant number of Important vulnerabilities, primarily involving Remote Code Execution (RCE), Elevation of Privilege (EoP), Information Disclosure, Security Feature Bypass, Spoofing, Denial of Service (DoS), and Tampering vulnerabilities affecting core enterprise infrastructure.
Microsoft also addressed three zero-day vulnerabilities, including two actively exploited vulnerabilities: CVE-2026-56155 affecting Active Directory Federation Services (AD FS) and CVE-2026-56164 affecting Microsoft SharePoint Server, along with CVE-2026-50661, a Windows BitLocker Security Feature Bypass vulnerability that was publicly disclosed prior to patch availability. These vulnerabilities pose a significant risk due to active exploitation, the potential for privilege escalation, remote compromise, and unauthorized access to enterprise environments.
The July 2026 release also emphasizes the continued targeting of identity services and collaboration platforms, with actively exploited vulnerabilities affecting AD FS and SharePoint Server highlighting the importance of securing internet-facing services and authentication infrastructure. Organizations are strongly advised to prioritize patch deployment for externally accessible systems, domain infrastructure, and critical enterprise workloads to mitigate the risk of ongoing exploitation.
- Release: Microsoft Patch Tuesday – July 2026
- Active Region: Global
- Affected Sector: Organizations across all sectors using Microsoft products and enterprise infrastructure.
- Affected Product: Microsoft Windows, Microsoft Office, Microsoft SharePoint Server, Microsoft Exchange Server, SQL Server, Azure, Hyper-V, Visual Studio, Dynamics 365, and other Microsoft enterprise products and services.
- Severity: Critical
- Published Date: July 14, 2026
CVE LIST
……
