CVE-2026-87701 Azure Cosmos DB Elevation of Privilege Vulnerability

{
  "id": "11a7cc73ac1a4d1e0fc7bcaa8c5899ca118d38d84e076c7fb7b984f3c61acc7d",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87701",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-87701 Azure Cosmos DB Elevation of Privilege Vulnerability",
    "summary": "An injection vulnerability in Azure Cosmos DB could allow an authorized attacker to elevate privileges over a network.",
    "evidence": "Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.",
    "products": [
      {
        "name": {
          "value": "Azure Cosmos DB",
          "evidence": "in Azure Cosmos DB"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-87701",
        "evidence": "CVE-2026-87701 Azure Cosmos DB Elevation of Privilege Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 26096,
  "published_at": "2026-09-17T14:00:00+00:00"
}