Windows 11 23H2 22631.7584 通常

公開 2026-09-14 · 2026-09-22 セキュリティ 不具合修正

Remote Desktop Services、Hyper-V、USB オーディオ機能の不安定性を修正した累積更新。セキュリティ修正も含まれます。Secure Boot 証明書の有効期限切れに対応を進行中。

This out-of-band update for Windows 11, version 23H2 (KB5129242) is cumulative. It includes updates from previous security releases, along with additional improvements. Visit the Windows release health dashboard for the latest status on this release. Announcements and messages This section provides key notifications related to this release, including announcements, change logs, and end-of-support notices. Windows Secure Boot certificate expiration Windows Secure Boot certificate expiration Impor…support.microsoft.com

公式のリリース情報 · Windows 11 23H2 の履歴 · Windows 11 まとめ