Microsoft’s April Windows 11 update introduces notifications to alert users if Secure Boot certificates—critical to preventing malware at startup—are outdated ahead of their June 2026 expiry.
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Microsoft patches 165 flaws, adds Secure Boot alerts
Microsoft’s April 2026 security update fixes 165 vulnerabilities across Windows, Office, and other products, including one actively exploited SharePoint flaw. The update also introduces a Windows 11 ...
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