PCs with Secure Boot OFF will still permit installation of cross-signed drivers.ĭrivers signed with an end-entity certificate issued prior to July 29th, 2015 that chains to a supported cross-signed CA will continue to be allowed. PCs upgrading from a release of Windows prior to Windows 10 Version 1607 will still permit installation of cross-signed drivers. What are the exact exceptions? Are cross-signed drivers still valid?Įnforcement only happens on fresh installations, with Secure Boot on, and only applies to new kernel mode drivers: All drivers submitted to the portal must be signed by an EV certificate. Getting an Extended Validation (EV) Code Signing Certificate Windows Hardware Developer Center Dashboard portal If you are a driver developer, here is what you need to do:Įnsure that you submit new drivers to Microsoft via the These changes limit the risk of an end-user system being compromised by malicious driver software. We’re making these changes to help make Windows more secure. OS signing enforcement is only for new OS installations systems upgraded from an earlier OS to Windows 10, version 1607 will not be affected by this change. Starting with new installations of Windows 10, version 1607, the previously defined driver signing rules will be enforced by the Operating System, and Windows 10, version 1607 will not load any new kernel mode drivers which are not signed by the Dev Portal. However, due to technical and ecosystem readiness issues, this was not enforced by Windows Code Integrity and remained only a policy statement. Windows Hardware Developer Center Dashboard portal (Dev Portal) That beginning with the release of Windows 10, all new Windows 10 kernel mode drivers must be submitted to the

Update for windows 7 driver signature