CVE-2026-70340: CWE-862: Missing Authorization in Microsoft Azure CycleCloud 8.9.1
Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-70340 (CWE-862) affects Microsoft Azure CycleCloud 8.9.1. It is caused by missing authorization checks, enabling an authorized attacker to escalate privileges remotely. The CVSS v3.1 base score is 8.1, indicating high severity with network attack vector, low attack complexity, and no user interaction required. The vulnerability impacts integrity and availability but not confidentiality. Microsoft has published an official fix and manages remediation for this cloud-hosted service. No known exploits are reported in the wild as of the publication date.
Potential Impact
An authorized attacker can elevate privileges over the network, potentially leading to unauthorized modification or disruption of Azure CycleCloud resources. Confidentiality is not impacted, but integrity and availability are at risk. This could affect the operational stability of cloud workloads managed by CycleCloud.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Since Azure CycleCloud is a cloud service, Microsoft manages the remediation server-side. Users should consult the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70340 for detailed guidance and ensure their service is updated accordingly.
CVE-2026-70340: CWE-862: Missing Authorization in Microsoft Azure CycleCloud 8.9.1
Description
Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.1high
Affected software
pkg:nuget/microsoft.azure.cyclecloudRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-70340 (CWE-862) affects Microsoft Azure CycleCloud 8.9.1. It is caused by missing authorization checks, enabling an authorized attacker to escalate privileges remotely. The CVSS v3.1 base score is 8.1, indicating high severity with network attack vector, low attack complexity, and no user interaction required. The vulnerability impacts integrity and availability but not confidentiality. Microsoft has published an official fix and manages remediation for this cloud-hosted service. No known exploits are reported in the wild as of the publication date.
Potential Impact
An authorized attacker can elevate privileges over the network, potentially leading to unauthorized modification or disruption of Azure CycleCloud resources. Confidentiality is not impacted, but integrity and availability are at risk. This could affect the operational stability of cloud workloads managed by CycleCloud.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Since Azure CycleCloud is a cloud service, Microsoft manages the remediation server-side. Users should consult the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70340 for detailed guidance and ensure their service is updated accordingly.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-04T00:04:56.037Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70340","vendor":"Microsoft"}]
Threat ID: 6a7b5841bf8831d539156a61
Added to database: 08/11/2026, 17:13:37 UTC
Last enriched: 08/11/2026, 17:29:37 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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