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2981 articles · 185100 vulns · 37/41 feeds (7d)
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10.0
CVE-2026-66803PATCHED
microsoft · azure_cosmos_db

Azure Cosmos DB Remote Code Execution Vulnerability

Description

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

Affected Products

VendorProductVersions
microsoftazure_cosmos_db-

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
microsoftmicrosoft azure cosmos dbcert_advisory90%

References

  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66803(vendor-advisory, patch)

Related News (4 articles)

Tier B
BSI Advisories5d ago
[NEU] [hoch] Microsoft Azure Cosmos DB: Schwachstelle ermöglicht Codeausführung
→ No new info (linked only)
Tier B
CERT-FR9d ago
Vulnérabilité dans Microsoft Azure (31 juillet 2026)
→ No new info (linked only)
Tier C
VulDB9d ago
CVE-2026-66803 | Microsoft Azure Cosmos DB access control
→ No new info (linked only)
Tier A
Microsoft MSRC9d ago
CVE-2026-66803 Azure Cosmos DB Remote Code Execution Vulnerability
→ No new info (linked only)
CVSS 3.110.0 CRITICAL
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA KEV❌ No
Actively exploited❌ No
Patch available
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66803
CWECWE-284
PublishedJul 30, 2026
Last enriched9d ago
Trending Score34
Source articles4
Independent4
Info Completeness7/14
Missing: title, description, epss, kev, exploit, iocs, mitre_attack

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Verification

State: verified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jul 30, 2026
Discovered by ZDM
Jul 30, 2026
Patch Available
Jul 31, 2026