MICROSOFT has confirmed that Windows 11 version 23H2 Enterprise, Education and IoT Enterprise will reach end of support on 10 November 2026. After this date, Microsoft will stop delivering monthly security updates for these editions, meaning organisations still running these builds will no longer receive patches for newly disclosed vulnerabilities.
The article notes that consumer editions of 23H2 (Build 22631) were already past their support window, with consumer support ending in November 2025, while Enterprise‑oriented branches typically receive an extra year of security updates—this extended period is now ending as well.
The piece stresses the risks of operating an unsupported Windows 11 23H2 deployment: devices will continue to work but will not receive security protections or update remediations for new flaws, increasing exposure to exploitation and compliance challenges. It is advised that enterprises upgrade to actively supported Windows 11 iterations.
The article mentions that many organisations are progressing to Windows 11 26H2, while acknowledging that moving to the very latest version can introduce stability concerns in critical environments. In short, the status quo for 23H2 Enterprise is that security updates stop on 10 November 2026, and proactive planning should focus on migrating to a supported release to maintain ongoing protection and compliance.