CVE-2026-33109

CRITICAL

Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability

Title source: cna
STIX 2.1

Description

Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33109

Scores

CVSS v3 9.9
EPSS 0.0007
EPSS Percentile 21.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-284
Status published
Products (2)
Microsoft/Azure Managed Instance for Apache Cassandra -
microsoft/azure_managed_instance_for_apache_cassandra
Published May 07, 2026
Tracked Since May 08, 2026