Microsoft puts stability in the driver's seat with new initiative

"Microsoft has laid out plans for how it and its partners will deal with iffy drivers causing stability problems in the company's flagship operating system. Dubbed the Driver Quality Initiative (DQI), Microsoft has outlined four pillars to support the program. These are Architecture - hardening kernel-mode drivers and enabling third-party kernel-mode drivers to transition to user mode; Trust - raising the bar for trusted partners and drivers; Lifecycle - addressing outdated and low-quality drivers; and Quality Measures - going beyond simple crash counts to measure driver quality."

"It's all very laudable, although, aside from references in the architecture pillar, Microsoft's WinHEC 2026 announcement said little about how Redmond ended up in a situation where drivers can run at a privilege level that allows a failure to leave the operating system hopelessly borked. The infamous CrowdStrike incident of 2024, which crashed millions of Windows devices, ably demonstrated the dangers of drivers running around in the Windows kernel."

"In the months after the CrowdStrike incident (or "learnings", as Microsoft delicately put it), the Windows Resiliency Initiative was announced. According to Microsoft, "DQI builds on the learnings and infrastructure established through the Windows Resiliency Initiative." Drivers are the bane of many Windows users. A faulty driver can make the entire operating system unstable."

"Still, we are where we are, and dealing with it requires Microsoft to harden the operating system and provide ways for vendors to work with Windows that don't involve breaking down the kernel's doors."

Microsoft’s Driver Quality Initiative outlines four pillars to reduce stability problems caused by unreliable drivers in Windows. Architecture focuses on hardening kernel-mode drivers and enabling third-party kernel-mode drivers to transition to user mode. Trust raises requirements for trusted partners and drivers. Lifecycle addresses outdated and low-quality drivers. Quality Measures expands evaluation beyond simple crash counts to assess driver quality more comprehensively. The need for these steps is tied to past incidents where kernel-level drivers caused widespread system failures, including the 2024 CrowdStrike event that crashed millions of devices. Microsoft links the new effort to infrastructure and learnings from the Windows Resiliency Initiative, aiming to prevent driver failures from leaving systems irreparably broken.

Read at theregister