---
id: CVE-2026-65770
title: >-
  Azure Managed Instance for Apache Cassandra Remote Code Execution
  Vulnerability
summary: >-
  Improper neutralization of argument delimiters in a command ('argument
  injection') in Azure Managed Instance for Apache Cassandra allows an
  unauthorized attacker to execute code over a network.
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-88
vendor: Microsoft
product: Azure Managed Instance for Apache Cassandra
affected:
  - azure_managed_instance_for_apache_cassandra -
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-08-21T00:00:00+00:00'
published: '2026-08-20'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:47:39.377Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-65770'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65770'
    label: >-
      Azure Managed Instance for Apache Cassandra Remote Code Execution
      Vulnerability
tags:
  - cve.org
epss: 0.00565
epssPercentile: 0.45736
ingestedAt: '2026-09-08T18:07:34.886Z'
---

## Overview

Improper neutralization of argument delimiters in a command ('argument injection') in Azure Managed Instance for Apache Cassandra allows an unauthorized attacker to execute code over a network.

## Affected

- `azure_managed_instance_for_apache_cassandra -`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.