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Critical

Azure Cosmos DB Remote Code Execution Vulnerability

Type: advisorySource: Official CVE List1 source record

Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.

Announced Group revision 1
Original source ↗

CVE-2026-66803

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-66803

Azure Cosmos DB

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Microsoft",
    "product": "Azure Cosmos DB",
    "versions": [
      {
        "status": "affected",
        "version": "-"
      }
    ]
  }
]
Related CVEs
CVE-2026-66803

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Event
#15664 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement