kb5066360

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KB5066360 is a targeted no-restart hotpatch from Microsoft that fixes an interoperability and security regression in PowerShell Direct (PSDirect) for Hyper-V. The issue occurs when host and guest virtual machines are unevenly patched. This update raises the OS build to 26100.6569 on eligible SKUs and requires no reboot. It is relevant for Windows administrators managing Hyper-V environments who rely on PSDirect for VM administration.

  1. KB5066360: No-Restart PSDirect Hotpatch Fix for Hyper-V Handshake

    Microsoft has released KB5066360, a targeted hotpatch for Windows PowerShell that corrects an interoperability and security regression affecting PowerShell Direct (PSDirect) when host and guest virtual machines are unevenly patched; the update is a no-restart hotpatch for eligible systems and...
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    • build-26100-6569 cmdb cve mapping deployment enterprise security event 4625 event id extended security updates guest-parity handshake-regression host-parity host-to-guest hotpatching hyper-v inventory kb5066360 logging microsoft os build 26100.4946 patch management powershell psdirect restart secure boot security remediation ssu virtualization vulnerability windows windows 11 ltsc 2024 windows server 2025 windows update
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    • Forum: Windows News