CVE-2026-66803
CRITICALAzure Cosmos DB Remote Code Execution Vulnerability
Title source: cnaDescription
Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
Azure Cosmos DB Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66803
Scores
CVSS v3
10.0
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-284
Status
published
Products (1)
Microsoft/Azure Cosmos DB
-
Published
Jul 30, 2026
Tracked Since
Jul 31, 2026