Windows 11 KB5124008 VPN Bug: Always On VPN Fails After Update
Brief
By CyberUpdates365 Technical Desk
- Published: September 11, 2026
- Last Updated: September 11, 2026 Quick Answer: What is the KB5124008 VPN Bug? The Windows 11 KB5124008 update breaks certificate-based Always On VPN tunnels due to a client-side IPsec authentication regression. The only confirmed recovery is uninstalling KB5124008 and rebooting. Microsoft has not yet issued ... Read more
The post Windows 11 KB5124008 VPN Bug: Always On VPN Fails After Update appeared first on CyberUpdates365
- Latest Cybersecurity News & Vulnerabilities .