---
id: CVE-2026-58279
title: Azure CycleCloud Elevation of Privilege Vulnerability
summary: >-
  Missing authorization in Azure CycleCloud allows an authorized attacker to
  elevate privileges over a network.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:P/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: '2026-07-13T00:00:00+00:00'
published: '2026-07-14'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T18:20:43.139Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-58279'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58279'
    label: Azure CycleCloud Elevation of Privilege Vulnerability
tags:
  - cve.org
epss: 0.00644
epssPercentile: 0.48696
ingestedAt: '2026-09-08T17:06:31.927Z'
---

## 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.