Windows 10の月例更新プログラムKB5058379が公開 - 2025年5月の月例更新

2025年5月14日

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Microsoftは本日、毎月米国時間の第2火曜日に提供している月例更新の一環として、Windows 10の各バージョンに対する累積アップデートをそれぞれ公開しました。

Windows 10 Version 20H2/21H1/21H2/22H2: KB5058379
Windows 10 Version 1909: EOS
Windows 10 Version 1903: EOS
Windows 10 Version 1809: KB5058392
Windows 10 version 1803: EOS
Windows 10 version 1709: EOS
Windows 10 version 1703: EOS
Windows 10 version 1607: KB5058383
Windows 10 Version 1511: EOS
Windows 10 Version 1507: KB5058387

それぞれWindows UpdateまたはMicrosoft Update Catalogを利用して導入することが可能で、変更点は以下の通りです(セキュリティアップデートの内容は日本Microsoftのブログで参照できます)。

May 13, 2025—KB5058379 (OS Builds 19044.5854 and 19045.5854)

Windows 10 Version 22H2用の更新プログラムKB5058379では、2025年4月22日に公開されたKB5055612の内容に加え、Linuxシステムの検出に関するSBATの改良が適用されます。

リリースノートは以下の通りです。

改良と修正

Important: Use EKB KB5015684 to update to Windows 10, version 22H2.

This security update includes quality improvements. Key changes include:

This build includes all the improvements from the supported Windows 10, version 21H2 editions.

No additional issues are documented for this release.

既知の不具合

更新プログラムには以下の1件の既知の不具合が存在します。

Citrix

Symptoms

Devices that have certain Citrix components installed might be unable to complete installation of the January 2025 Windows security update. This issue was observed on devices with Citrix Session Recording Agent (SRA) version 2411. The 2411 version of this application was released in December 2024.

Affected devices might initially download and apply the January 2025 Windows security update correctly, such as via the Windows Update page in Settings. However, when restarting the device to complete the update installation, an error message with text similar to “Something didn’t go as planned. No need to worry – undoing changes” appears. The device will then revert to the Windows updates previously present on the device.

This issue likely affects a limited number of organizations as version 2411 of the SRA application is a new version. Home users are not expected to be affected by this issue.

Workaround

The issue has been resolved in Citrix Session Recording Agent version 2503, released on April 28, 2025, and newer versions.

For details, see the documentation provided by Citrix at "Microsoft's January Security Update Fails/Reverts on a machine with 2411 Session Recording Agent".