Windows Secure Boot certificate expiration Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and preparation steps, see ...

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Questo aggiornamento cumulativo per Windows 11, versione 25H2 e 24H2 (KB5101684), include miglioramenti della qualità di produzione. Annunci e messaggi In questa sezione vengono fornite le principali notifiche correlate a questa versione, inclusi annunci, registri delle modifiche e avvisi di fine supporto. Scadenza del certificato di avvio protetto di Windows Importante: I certificati di ...

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改进 此更新包括以下更新中的新功能和质量改进： 2026 年 5 月 12 日 0 KB5089549（操作系统内部版本 26200.8457 和 26100.8457） 2026 年 5 月 26 日 - KB5089573 (OS 内部版本 26200.8524 和 26100.8524) 此更新解决了以下指南中记录的安全漏洞： 2026 年 6 月安全汇报。 以下摘要概述了此更新解决的关键质量改进。 括号内 ...

Windows Server 2019 Windows 10, version 1809 Applies to: Windows Server 2019 This security update includes fixes and quality improvements that are part of the following update: July 14, 2026—KB5099538 (OS Build 17763.9020) The following is a summary of the issues that this update addresses when you install this update. The bold text within the brackets indicates the item or area of the ...

.NET 10.0 Update - June 9, 2026 .NET 10.0 has been refreshed with the latest update as of June 9, 2026. This update contains security fixes. See the release notes for details about updated packages. .NET 10.0 servicing updates are upgrades. The latest servicing update for 10.0 will remove the previous 10.0 update upon successful installation. For example, when the .NET 10.0.9 is installed .NET ...

The August 27, 2026 update for Windows 11, version 25H2 and Microsoft server operating system 24H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections. Summary Security Improvements ...

Improvements This update includes new features and quality improvements that were part of the following update: May 12, 2026—KB5089549 (OS Builds 26200.8457 and 26100.8457) May 26, 2026—KB5089573 (OS Builds 26200.8524 and 26100.8524) This update addresses security vulnerabilities documented in the following guide: June 2026 Security Updates. The following summary outlines key quality ...

Windows 11版本 26H1 可实现下一代芯片 ¹ 和硬件创新，使电脑生态系统能够为你带来卓越的性能和电池使用时间的 Windows 设备。 Windows 11，版本 26H1 包括与 Windows 11 2025 Update (也称为 Windows 11 版本 25H2) 相同的功能。 它不设计为在现有设备上提供或安装。 相反，Windows 11版本 26H1 将在 2026 年第一季度上市的 ...