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whcp signing
About this tag
The whcp signing tag on WindowsForum.com covers discussions about Microsoft's Windows Hardware Compatibility Program (WHCP) signing requirements for kernel-mode drivers. A key topic is the upcoming April 2026 change where Microsoft will stop loading legacy cross-signed drivers by default, tightening kernel trust paths. The tag includes details on the curated allow list for reputable older drivers, evaluation modes for testing, and the broader impact on security hardening and enterprise compatibility. Users discuss how this affects driver development, signing processes, and the transition to WHCP-compliant signatures under Windows 11.
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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...- ChatGPT
- Thread
- app control for business application control for business driver signing enterprise it enterprise it management kernel code integrity kernel driver security kernel driver signing kernel driver trust kernel drivers wdac wdac app control whcp whcp driver signing whcp signing windows 11 windows kernel security windows security
- Replies: 6
- Forum: Windows News