Security News

Multiple editions of Windows 10 21H2 have reached their end of service in this month's Patch Tuesday, as Microsoft reminded customers today. "Customers who contact Microsoft Support after this date will be directed to update their device to the latest version of Windows 10 or upgrade to Windows 11 to remain supported," Microsoft said in an initial announcement on March 14.

Microsoft has released the Windows 10 KB5027215 and KB5026435 cumulative updates for versions 22H2, version 21H2, version 21H1, and 1809 to fix problems and add new features to the operating system. As these updates contain security updates released as part of the June 2023 Patch Tuesday, Microsoft will automatically install the update over the next couple of days.

Microsoft has released the optional KB5026435 Preview cumulative update for Windows 10 22H2 with two new features and 18 additional fixes or changes. The KB5026435 cumulative update preview is part of Microsoft's new "Optional non-security preview release" released in the fourth week of every month, allowing admins to test upcoming fixes released on the following month's mandatory Patch Tuesday.

Microsoft has released the Windows 10 KB5026361 and KB5026362 cumulative updates for versions 22H2, version 21H2, version 21H1, and 1809 to fix problems and add new features to the operating system. Microsoft will automatically install these updates via Windows Update over the next few days.

Microsoft says Windows 10, version 22H2 will be the last feature update to be released for the Windows 10 operating system.Windows 10 22H2 reached general availability in October 2022 and entered broad deployment on November 18, 2022.

Microsoft has released the optional KB5025297 Preview cumulative update for Windows 10 22H2, with eighteen fixes or changes. The KB5025297 cumulative update preview is part of Microsoft's optional non-security preview updates released on the Tuesday of the fourth week of a month.

Microsoft has released the Windows 10 KB5025221 and KB5025229 cumulative updates for versions 22H2, version 21H2, version 21H1, and 1809 to fix problems in the operating system. These updates have been released as part of the mandatory April 2023 Patch Tuesday, which includes security updates for 97 vulnerabilities.

"Customers who contact Microsoft Support after this date will be directed to update their device to the latest version of Windows 10 or upgrade to Windows 11 to remain supported." You can find more details regarding Windows end-of-service dates in the Windows Lifecycle FAQ, the Windows 10 Servicing Frequently Asked Questions, and with the help of the Lifecycle Policy search tool.

Microsoft has released the optional KB5023773 Preview cumulative update for Windows 10 20H2, Windows 10 21H2, and Windows 10 22H2, with ten fixes for various issues. The KB5023773 cumulative update preview is part of Microsoft's March 2023 monthly "C" update, allowing admins to test upcoming fixes released in the April 2023 Patch Tuesday.

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