30-Day Reminder: Windows 11, version 24H2 and Windows 10 LTSB 2016 reaching end of updates on October 13, 2026

🚨 The Signal: Windows 11 24H2 Home/Pro and Windows 10 LTSB 2016 reach end of security updates on October 13, 2026. Unpatched systems will be vulnerable to new threats.

The Impact

All Windows users are affected; unpatched systems face critical security vulnerabilities.

• Home/Pro users: Devices will lose security updates, increasing exploit risk.
• Enterprise users: LTSB 2016 devices will lose security updates, creating critical vulnerabilities.
• Security teams: Increased attack surface and compliance failures if systems are not updated.
• IT administrators: Significant effort required for OS upgrades and patch management.

The Action

1. Identify all Windows 11, version 24H2 Home/Pro devices.
2. Identify all Windows 10 Enterprise LTSB 2016 devices.
3. Plan and execute upgrades for Windows 11 Home/Pro to version 25H2.
4. Plan and execute upgrades for Windows 10 LTSB 2016 to Windows 11 Enterprise LTSC 2024.
5. Evaluate Extended Security Updates (ESU) for unavoidable delays in LTSB 2016 upgrades.

Domain: Intune · Impact: high · Workload: Other · Essential Eight: Patch Operating Systems · ISM: ISM-1407, ISM-1501, ISM-1621, ISM-1622, ISM-1623, ISM-1654, ISM-1655, ISM-1694, ISM-1695, ISM-1696, ISM-1701, ISM-1702, ISM-1877, ISM-1889, ISM-1902