M365 Message Center

Geändert

14.10.2025

Services

Windows

Today, October 14, 2025, Windows 10 has reached end of support*. The October 2025 monthly security update is the final update available for the last supported versions: Windows 10, version 22H2 (Home, Pro, Enterprise, Education, and IoT Enterprise editions), Windows 10 2015 LTSB, and Windows 10 IoT Enterprise LTSB 2015. Devices running these versions will no longer receive monthly security and preview updates containing protections from the latest security threats.*Note: Long-Term Servicing Branch (LTSB) and Long-Term Servicing Channel (LTSC) releases are subject to different lifecycle support policies. Check out the Microsoft lifecycle website for more information. When this will happenToday, October 14, 2025, Windows 10 has reached end of support.How this will affect your organizationThe October 2025 monthly security update is the final update available for these versions. After today,

Geändert

14.10.2025

Services

Windows

Today, October 14, 2025, Windows 11, version 22H2 (Enterprise, Education, and IoT Enterprise editions) has reached end of servicing. The October 2025 monthly security update is the final update available for this version. Devices running this version will no longer receive monthly security and preview updates containing protections from the latest security threats.As always, we recommend that you update your devices to the latest version of Windows 11. For detailed information, see the Windows 11, version 22H2 reaching end of updates (Enterprise, Education, IoT Enterprise) lifecycle page. For information about servicing timelines and lifecycle, see Windows 11 release information, Lifecycle FAQ - Windows, and Microsoft Lifecycle Policy search tool.

Geändert

14.10.2025

Services

Windows

The October 2025 security update is now available for all supported versions of Windows. We recommend that you install these updates promptly. For more information about the contents of this update, see the release notes, which are easily accessible from the Windows 11 and Windows 10 update history pages. To learn more about the different types of monthly quality updates, see Windows monthly updates explained. Highlights for the Windows 11, version 25H2 update: This security update includes improvements that were a part of update KB5065789 (released September 29, 2025).This update addresses security issues for your Windows operating system. This update addresses an issue that caused the print preview screen to stop responding in Chromium-based browsers.This update addresses an issue that occurred when users signed in to a Windows device using only a Gamepad at the lock screen. If no othe

Geändert

13.10.2025

Services

Windows

Hotpatch updates, which are smaller than standard Windows updates, bring faster security and improved productivity to your organization. Their smaller size translates to optimized network performance, sustainability benefits, faster installation, and quicker compliance. When will this happen: Hotpatching is generally available. How this will affect your organization: Hotpatch updates save time by installing in the background without interruption or restarts. They drive business continuity by ensuring that users remain secure and productive, without disruption. What you need to do to prepare: Check if your organization is ready for hotpatch updates. Confirm devices at your organization meet prerequisites for hotpatching. Ensure devices are on the latest baseline release version to qualify for hotpatch updates. Learn about release cycles, including baseline updates released quarterly as st

Geändert

11.10.2025

Services

Windows

Some organizations might have received incorrect Multiple Activation Keys (MAK) for Windows 10 Extended Security Update (ESU) activation. These keys are visible in the Billing section, under Your products page, and then the Volume licensing tab.Incorrect MAKs will be prefixed with the sequence ***DO NOT USE*** followed by a number. ESU keys without this sequence are not affected by this issue.You should receive a new key by Monday, October 13. If you do not receive a new key by end of day Monday, please open a support ticket for quick resolution by visiting https://learn.microsoft.com/microsoft-365/commerce/licenses/contact-vl-support?view=o365-worldwide

Geändert

10.10.2025

Services

Windows

On November 11, 2025, Windows 11, version 23H2 (Home and Pro editions) will reach end of servicing. The November 2025 monthly security update will be the last update available for these editions. After this date, devices running these editions will no longer receive monthly security and preview updates containing protections from the latest security threats.As always, we recommend that you update your devices to the latest version of Windows 11. For detailed information, see the Windows 11, version 23H2 reaching end of updates (Home, Pro) lifecycle page. For information about servicing timelines and lifecycle, see Windows 11 release information, Lifecycle FAQ - Windows, and Microsoft Lifecycle Policy search tool.