Microsoft Patches 18 Vulnerabilities in AI, Cloud Products

Microsoft has remediated 18 vulnerabilities affecting Azure ARC, Azure AI Foundry, Azure Logic Apps, Azure Billing, Azure HorizonDB, Azure Cosmos DB, Azure Container Registry, Microsoft Fabric, Microsoft Dataverse, Microsoft 365 Copilot, Copilot, Microsoft 365 Copilot Business Chat, Azure Machine Learning, and Azure Portal. The issues include privilege escalation, information disclosure, and spoofing flaws; Microsoft says none are known to be exploited and the server-side fixes require no customer action. Separately, Windows users must install updates for the privilege escalation flaw CVE-2026-85921, which Microsoft assesses as less likely to be exploited.