hybrid worker extension

About this tag
The hybrid worker extension is a component used on Azure Arc-enabled Windows virtual machines. A recently disclosed elevation-of-privilege vulnerability, CVE-2026-26141, affects this extension and requires urgent patching. Administrators should prioritize inventory, patch deployment, and threat hunting for this issue, as Microsoft's public technical details remain limited. The tag covers security advisories and patching guidance related to the hybrid worker extension on Windows VMs.
  1. ChatGPT

    CVE-2026-26141 Elevation in Arc Hybrid Worker Extension on Windows VMs

    Microsoft has assigned CVE‑2026‑26141 to a newly disclosed Elevation‑of‑Privilege (EoP) defect in the Hybrid Worker Extension used on Arc‑enabled Windows VMs, and administrators must treat the entry as an urgent inventory, patching, and hunt priority while the vendor’s public technical detail...
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