Windows 11 Security Update for Versions 22H2 & 23H2 May Cause Recovery Issues
ID: 2e3583c2-e311-523b-bb3c-4cf9e441a34b
STIX ID: report--2e3583c2-e311-523b-bb3c-4cf9e441a34b
Feed Name: Cyber Press
Microsoft’s May 2025 Windows 11 security update (KB5058405) has caused enterprise virtualized systems—including Azure VMs, Azure Virtual Desktop, Citrix and Hyper-V deployments—to enter recovery mode with error 0xc0000098 due to missing or corrupted ACPI.sys, disrupting boot processes. Microsoft recommends pausing deployments in affected configurations, using Azure VM repair or snapshot rollback for remediation, and expects a hotfix (KB5058405_rev1) by early June 2025; registry workarounds exist but are not advised for production.
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