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Microsoft Windows 11 WSL VPN connectivity disruption

Service Disruption
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Last updated
Happening score
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1 unique sources, 1 articles

Summary

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Recent Windows 11 security updates are disrupting VPN connectivity for Windows Subsystem for Linux (WSL) users in enterprise environments, blocking access to corporate resources. The issue affects systems that installed KB5067036 or later, including KB5072033. It appears when mirrored mode networking is enabled, and Microsoft is still investigating. No fix or workaround timeline has been announced yet.

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Timeline

  1. 15.12.2025 16:34 1 articles · 5mo ago

    KB5067036 disrupts WSL VPN networking

    Technical Analysis Update

    After the October 28, 2025 release of the KB5067036 Windows 11 non-security update, affected Windows Subsystem for Linux environments can lose VPN connectivity when mirrored mode networking is enabled, triggering "No route to host" errors and preventing access to corporate resources over OpenVPN, Cisco Secure Client, and other enterprise VPN solutions.

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  2. 15.12.2025 16:34 2 articles · 5mo ago

    Microsoft acknowledges WSL VPN issue

    Initial Disclosure

    On December 15, 2025, Microsoft says recent Windows 11 updates are causing VPN networking failures for enterprise users running Windows Subsystem for Linux, and that the company is investigating a known issue affecting OpenVPN, Cisco Secure Client, and DirectAccess connections without yet providing a fix or workaround timeline.

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