Microsoft has resolved connection failures in Always On VPN triggered by the September 2026 Windows 11 security updates.
The vulnerability or weakness
The issue was caused by automatic protocol selection with IKEv2 and SSTP, leading to stuck connections or failures after an initial connection attempt.
Earlier attacks and coverage
Business impact
Organizations may face disruptions to remote access, impacting operations and potentially leading to delays in business processes.
Industries affected
IT and cybersecurity sectors are primarily affected due to the nature of the Always On VPN technology.
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Sources
- Microsoft finally fixes VPN issues caused by September updates (BleepingComputer)
