A vulnerability in Microsoft Azure enables remote code execution, according to a security advisory published on July 30, 2026. The flaw affects Azure Cosmos DB systems, allowing attackers to execute arbitrary code remotely. The French National Cybersecurity Agency (ANSSI) references Microsoft’s security bulletin CVE-2026-66803, which details the vulnerability. Affected users are advised to consult Microsoft’s update guide for patches and remediation steps. The advisory, titled ‘Vulnérabilité dans Microsoft Azure,’ was last updated on July 31, 2026, and provides technical documentation for affected systems. No further details on exploitation methods or impact scope were specified in the report.
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