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Windows 11 Dev Build Enhances Secure Boot and Storage Security Features

First seen 20 Apr 2026, 13:59 UTC GbhackersCybersecuritynews 22

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Microsoft has released Windows 11 Insider Preview Build 26300.8170 to the Dev Channel, focusing on improving system security and storage management. Key updates include enhanced visibility for Secure Boot states and streamlined User Account Control (UAC) prompts. The revamped Secure Boot experience is now accessible through the Windows Security app, allowing users to monitor their device's boot integrity more effectively. These updates aim to bolster the overall security posture of Windows 11 devices. The release was announced by the Windows Insider Program Team on April 10, 2026, and is available to users in the Dev Channel. No specific vulnerabilities or exploits were reported in conjunction with this update. The improvements are part of Microsoft's ongoing efforts to enhance user security in its operating systems.

Key Points: • Windows 11 Insider Preview Build 26300.8170 introduces enhanced Secure Boot monitoring. • The update streamlines User Account Control (UAC) prompts for better user experience. • These improvements are part of Microsoft's continuous security enhancements for Windows 11.

Timeline

2026-04-10
Microsoft announced Windows 11 Insider Preview Build 26300.8170
2026-04-20
Windows 11 Insider Preview Build 26300.8170 released to Dev Channel