Microsoft has officially stopped supporting Windows 11 23H2 – security update KB5131087 was the last for this version of the OS. Version 23H2 was released in October 2023 and received security updates for three years. Previously, Microsoft stopped supporting Windows 11 23H2 for professional and home editions, now this has affected the Enterprise and Education corporate editions with an extended life cycle of 36 months.
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“Windows 11 23H2 Enterprise and Education editions have reached the end of updates. The November 2026 security update was the last for these editions. Devices running these versions of the OS will no longer receive monthly security updates that contain protection against the latest threats,” Microsoft warned.
PC users running Windows 11 23H2 were advised to upgrade to a supported version of the OS. Windows 11 24H2, 25H2, and 26H1 versions are currently receiving active support, including feature and security updates; users of the home and professional editions were offered the opportunity to upgrade to a newer version of the OS earlier.
For Enterprise and Education editions, specialist intervention may be required if the transition to the new version has not yet been completed. Most organizations and educational institutions using these editions should have already started the process of updating to a more current version of Windows 11 by now.
Microsoft traditionally provides two years of security updates for consumer editions of Windows 11 and three years for commercial editions. This means that 25H2 will receive updates for Home and Professional editions for another year, and Enterprise and Education for two years. The only exceptions to the rule are special editions of Windows 11 – LTSC and IoT. Accordingly, commercial editions of Windows 11 26H2 will receive support until 2029.
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