CVE-2026-119990

Critical (9.8)—

Schedule the patchSeverity Critical 9.8. No public exploit or active exploitation known.

Severity9.8Critical · CVSS 3.1

Exploitation probability0.92 %higher than 61% of CVEs · score from Nov 11, 2026

Active exploitationNonot in the CISA catalog · checked Nov 12, 03:00 AM

Public exploitNot knownno public code found

News and reports on Orbitaley

Missing authentication for critical function in Azure OpenAI allows an unauthorized attacker to elevate privileges over a network.

Timeline

Built from our own data: NVD, CISA KEV and other exploitation catalogues, FIRST EPSS, public exploits, specialised media and Orbitaley coverage.

Nov 10, 2026CVE record published in NVD
Nov 10, 2026First mention in specialised media (NCSC-NL)
Nov 10, 2026Alert: Microsoft fixes 200 vulnerabilities, including an Outlook flaw CISA confirms is being exploited

Media coverage

Specialised security media that have cited this CVE:

NCSC-NL · NCSC-2026-0475 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Azure (Nov 10, 2026)

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access90 %
Primary impactT1068 Exploitation for Privilege Escalationprivilege escalation65 %

Vector AV:N/PR:N/UI:N y CWE-306 (falta de autenticación en función crítica); la descripción indica escalada de privilegios por red sin autenticar.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Application Isolation and Sandboxing Exploit Protection Update Software Vulnerability Scanning Threat Intelligence Program Privileged Account Management

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Microsoft — Azure Openai^AI

NVD record

NVD status: Awaiting Analysis
Published: Nov 10, 2026
Last modified: Nov 11, 2026
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-306

References

Referencemsrc.microsoft.com/update-guide/vulnerability/CVE-2026-119990

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-119990",
  "cveTags": [
    {
      "tags": [
        "exclusively-hosted-service"
      ],
      "sourceIdentifier": "secure@microsoft.com"
    }
  ],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-119990",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-11-05T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Azure Open AI",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0",
              "lessThan": "hyena-infra-build-official/20260923.14",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-11-10T19:20:24.280",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119990",
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@microsoft.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing authentication for critical function in Azure OpenAI allows an unauthorized attacker to elevate privileges over a network."
    }
  ],
  "lastModified": "2026-11-11T05:19:28.737",
  "sourceIdentifier": "secure@microsoft.com"
}