CVE-2026-33844 CRITICAL

CVE-2026-33844: Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability

Vendor Microsoft
Product Azure Managed Instance for Apache Cassandra
Weakness CWE-20 · Input validation
Published May 7, 2026
Last update June 9, 2026

CVSS base score

9.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

Description

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

Key dates

Disclosure timeline

May 7, 2026 CVE published
June 9, 2026 Record updated