CVE-2026-96934: An Unauthenticated Flaw in the Windows DHCP Server Rated CVSS 9.8 Was Fixed on October 13: Check Whether the Role Is Installed and Which Build Fixes It CVE-2026-96934 lets an unauthenticated attacker run code on a Windows DHCP Server. See the fixed build for each Windows Server version and how to check the role with PowerShell. Nov 1, 2026 5 min read Security