CVE-2026-119990 · Vendor
NO FIX YET
Microsoft says Azure OpenAI has a missing-authentication flaw (CWE-306) that lets an unauthenticated attacker send a crafted request over the internet and gain elevated permissions: access orchestration information, modify workflows, or disrupt the service. CVSS 9.8. Microsoft lists it as not exploited and not publicly disclosed, with an official fix; the advisory names no versions and no customer action.
first public Nov 10, 2026 · 2 sources
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Teams using the Azure OpenAI service. The advisory gives no versions, regions or required configuration, so assume any Azure OpenAI resource is in scope until Microsoft says otherwise. Anyone not using Azure OpenAI can skip it.
Who cares azure, azure-openai, cloud-service
No fix yet, per the sources.
Missing authentication for critical function in Azure OpenAI allows an unauthorized attacker to elevate privileges over a network.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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