Microsoft Confirms Remote Desktop Services Might Stop Working Following Sept. 2026 Security Update
Microsoft's September 2026 Patch Tuesday updates (KB5124008) can break Remote Desktop Services, causing RDP failures and freezes across Windows clients and servers.
Microsoft confirmed its September 2026 security updates, including KB5124008 for Windows 11 24H2/25H2, introduced a reliability regression where RDP connections fail after several minutes and servers hang at the 'Please wait for the Remote Desktop Configuration' screen. MMC, RDS Licensing Diagnoser, File Explorer, and the Windows Update settings page may also stop responding. The issue affects Windows 10/11 clients and Windows Server 2012 through 2025; Microsoft marked it Mitigated on September 11 and is developing a permanent fix, with VM restart offered as a temporary workaround.
- KB5124008 causes RDP sign-in failures and stuck Remote Desktop Configuration screens
- Affects Windows 10/11 clients and Windows Server 2012 through 2025
- Temporary workaround: stop/deallocate and restart affected VMs
- Marked Mitigated September 11; permanent fix pending without a release date
From the original article
2 min read at cybersecuritynews.com
Microsoft has confirmed that its September 2026 Windows security updates can destabilize Remote Desktop Services (RDS), potentially disrupting remote administration across a broad range of enterprise endpoints and servers. Last week, Windows administrators worldwide experienced this serious bug in Remote Desktop Services (RDS), and they point out that the issue appeared right after Microsoft released […]
By Guru Baran · cybersecuritynews.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.