Microsoft’s June 2026 Patch Tuesday is the largest in the program’s 23-year history, delivering 206 CVEs including two CVSS 9.8 unauthenticated RCE vulnerabilities in Windows Kernel and HTTP.sys, a BitLocker bypass with public proof-of-concept, and three publicly disclosed zero-days. Separately, CrowdStrike has documented weaponization of Microsoft’s ClickOnce deployment framework as a privilege-free malware delivery and persistence channel that bypasses most existing endpoint and email security controls. The combination of record patch volume and an unpatched technique gap creates compounding risk across virtually every Microsoft-dependent enterprise environment.