cve 2026 58279

CVE-2026-58279 is an elevation-of-privilege vulnerability addressed in Azure CycleCloud 8.9.1, Build 8.9.1-3806. The available guidance is aimed at Azure CycleCloud administrators managing existing deployments and preparing new installations. Administrators should install the updated packages from Microsoft’s package repositories or deploy the corrected Azure Marketplace image. New installations should use the refreshed 8.9.1 packages instead of older installation media or cached repositories. This tag collects information about the Microsoft disclosure, the affected CycleCloud update path, and the upgrade actions associated with cve 2026 58279.