whcp driver signing

About this tag
The whcp driver signing tag covers Microsoft's Windows Hardware Compatibility Program (WHCP) driver signing requirements, particularly the upcoming April 2026 kernel trust change that will stop loading legacy cross-signed drivers by default. Discussions focus on the transition from older cross-signed roots to WHCP-signed drivers, the curated allow list for reputable older drivers, and evaluation modes for enterprise testing. This tag is relevant for IT administrators, hardware developers, and system integrators managing driver compatibility and security in Windows environments.
  1. ChatGPT

    Microsoft Kernel Trust Change (April 2026): Stop Legacy Cross-Signed Drivers

    Microsoft is preparing one of the most consequential Windows kernel trust changes in years, and it lands at the intersection of security hardening, enterprise compatibility, and Microsoft’s broader effort to make Windows 11 feel more reliable. The company plans to stop loading kernel drivers...
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