Multiple Azure vulnerabilities enable RCE and privilege escalation
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Five CVEs in Azure Arc, CycleCloud, HDInsight, CLI and Spring Cloud allow remote code execution and privilege escalation; patches available.
CERT-FR has published an advisory covering multiple vulnerabilities discovered across Microsoft Azure components dated 8 September 2026. The affected products include Azure Arc SQL Server Extension, Azure CycleCloud, Azure HDInsight, Microsoft Azure CLI, and Spring Cloud Azure. These vulnerabilities enable attackers to achieve three distinct impacts: remote code execution, privilege escalation, and data confidentiality breaches. Defenders should prioritize updating affected Azure components to the minimum versions specified: Azure Arc SQL Server Extension to 1.1.3518.465 or later, Azure CycleCloud to 8.9.2 or later, Azure HDInsight to 2606012120 or later, Microsoft Azure CLI to 2.2.1 or later, and Spring Cloud Azure to 7.4.0 or later. The advisory references five distinct CVEs (CVE-2026-62895, CVE-2026-69854, CVE-2026-77909, CVE-2026-81349, CVE-2026-83948), with full details available in the corresponding Microsoft security bulletins.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1148
What this brief leaves out
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