CVE-2026-66803

critical Microsoft
CVSS v3 Base Score
10.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score
0.5%
Exploitation probability in 30 days
Top 60% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: July 30, 2026 (38 days ago)
Last Modified: August 4, 2026
Vendor: Microsoft
Source: NVD

Description

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

CWE

CWE-284

Affected Products

microsoft azure cosmos db

References

🔗 msrc.microsoft.com