---
id: CVE-2026-70340
title: Azure CycleCloud Elevation of Privilege Vulnerability
summary: >-
  Missing authorization in Azure CycleCloud allows an authorized attacker to
  elevate privileges over a network.
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-862
vendor: Microsoft
product: Azure CycleCloud 8.9.1
affected:
  - azure_cyclecloud_8.9.1 >= 1.0.0 < 8.9.1
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-08-12T03:59:51.267477Z'
published: '2026-08-11'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:45:46.626Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-70340'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70340'
    label: Azure CycleCloud Elevation of Privilege Vulnerability
tags:
  - cve.org
epss: 0.00798
epssPercentile: 0.54601
ingestedAt: '2026-09-08T19:08:49.658Z'
---

## Overview

Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.

## Affected

- `azure_cyclecloud_8.9.1 >= 1.0.0 < 8.9.1`

## Remediation

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