BitNinja has published an advisory describing CVE-2026-40411, a remote code execution vulnerability in Microsoft Azure Virtual Network Gateway. The flaw is rated critical with a reported CVSS score of 9.9 and is said to allow attackers to execute arbitrary code against the gateway component, which could enable unauthorized actions against connected workloads and disrupt network connectivity for affected tenants. The write-up urges administrators to apply the latest updates to Azure Virtual Network Gateway and related components, deploy a web application firewall, monitor authentication attempts for brute-force activity, and run malware detection on dependent servers. The source does not cite an official Microsoft Security Response Center bulletin or confirm in-the-wild exploitation, so the disclosure should be corroborated against Microsoft's advisory before patching decisions are finalized.
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