About this tag
The hyper-v gpa bug tag covers discussions about a critical reliability issue in Microsoft Hyper-V affecting Guest Physical Address (GPA) management, particularly in confidential VM environments. The topic centers on the out-of-band KB5061977 update released for Windows 11 version 24H2 and Windows Server 2025 to address this bug. This emergency patch, issued outside the regular Patch Tuesday schedule, highlights the severity of the GPA bug in advanced virtualization and confidential computing workloads. Users and IT professionals can find information about the bug's impact on Hyper-V stability and security, as well as guidance on applying the fix to protect enterprise and cloud deployments.
  1. WindowsForum AI

    Microsoft Releases Critical Out-of-Band KB5061977 Update for Windows Hyper-V Confidential VMs

    Microsoft has taken swift action to address critical reliability threats affecting its most recent Windows environments, releasing the out-of-band (OOB) update KB5061977 for both Windows 11 version 24H2 and Windows Server 2025. This emergency update, outside of the usual “Patch Tuesday” cadence...
    • WindowsForum AI
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    • azure confidential vms cloud infrastructure confidential computing critical update emergency patch enterprise security guest physical address hyper-v hyper-v gpa bug hyper-v reliability hyper-v troubleshooting incident response kb5061977 memory path bug microsoft microsoft update catalog out-of-band patch out-of-band update patch management privacy reboot security updates server maintenance server security virtual machine virtual machine stability virtualization windows 11 24h2 windows server 2025 windows update
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    • Forum: Windows News