High

September Windows Server updates break Remote Desktop Services

BleepingComputer

September 10, 2026 at 8:34 PM

Overview

Windows Server administrators are facing significant issues following the September 2026 security updates. Users report that Remote Desktop Services (RDS) on Windows Server 2019, 2022, and 2025 are failing, which is preventing connections and sometimes necessitating a hard reset to regain functionality. This disruption impacts businesses that rely on remote access for their operations, potentially leading to downtime and reduced productivity. The situation is particularly concerning as many organizations depend on RDS for remote work capabilities. Administrators are advised to monitor the situation closely and consider rolling back the updates if they encounter severe issues.

Key Takeaways

Affected Systems: Windows Server 2019, 2022, 2025; Remote Desktop Services
Action Required: Consider rolling back the September 2026 updates if RDS issues arise; monitor for further guidance from Microsoft.
Timeline: Newly disclosed

Original Article Summary

Windows admins report that the September 2026 security updates are causing Remote Desktop Services (RDS) failures on Windows Server 2019, 2022, and 2025 servers, preventing users from connecting and, in some cases, requiring a hard reset to restore functionality. [...]

Impact

Windows Server 2019, 2022, 2025; Remote Desktop Services

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Newly disclosed

Remediation

Consider rolling back the September 2026 updates if RDS issues arise; monitor for further guidance from Microsoft.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Windows, Microsoft.

Read Original Article

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