Microsoft: September updates cause RDS failures on Windows Server
Summary
Microsoft has confirmed that its September 2026 security updates are causing Remote Desktop Services (RDS) failures on Windows Server systems. The issue appears to be related to the updates themselves and is affecting multiple versions of Windows Server.
IFF Assessment
The failure of a critical service like RDS due to security updates is bad news for defenders, as it can disrupt operations and create potential attack vectors.
Defender Context
Defenders should be aware that recent Microsoft security updates may be causing RDS instability on Windows Server. It's crucial to monitor affected systems, test patches thoroughly before widespread deployment, and have rollback plans in place if necessary. This incident highlights the importance of robust patch management and incident response capabilities.