Windows 11 and Server 2025 to block legacy cross-signed kernel drivers by default starting in April

Microsoft has confirmed that the April 2026 Windows update will start blocking untrusted kernel drivers signed through the old cross-signed root program by default on Windows 11 and Windows Server 2025. The change applies to Windows 11 24H2, 25H2, 26H1, and Windows Server 2025. The goal is simple: reduce kernel-level risk by allowing only drivers […] The post Windows 11 and Server 2025 to block legacy cross-signed kernel drivers by default starting in April appeared first on VPN Central.