CVE-2026-56160: CWE-285: Improper Authorization in Microsoft Azure Red Hat OpenShift (ARO)
CVE-2026-56160 is a critical improper authorization vulnerability in Microsoft Azure Red Hat OpenShift (ARO) that allows an authorized attacker to elevate privileges over a network. The vulnerability has a high CVSS score of 9.1, indicating severe impact on confidentiality, integrity, and availability. Microsoft has issued an official fix for this cloud service vulnerability. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-56160) in Azure Red Hat OpenShift (ARO) involves improper authorization (CWE-285), enabling an attacker with some level of authorization to escalate privileges remotely. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, and scope change with high impact on confidentiality, integrity, and availability. As a cloud-hosted service, Microsoft manages remediation and has released an official fix to address this issue.
Potential Impact
An authorized attacker can exploit this vulnerability to elevate privileges within the Azure Red Hat OpenShift environment, potentially gaining unauthorized access to sensitive data, modifying system configurations, or disrupting service availability. The vulnerability affects confidentiality, integrity, and availability with a critical severity level.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for this cloud-hosted service. Users of Azure Red Hat OpenShift should follow Microsoft's guidance and ensure their service instances are updated according to the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56160. No additional action is required beyond applying the official fix.
CVE-2026-56160: CWE-285: Improper Authorization in Microsoft Azure Red Hat OpenShift (ARO)
Description
CVE-2026-56160 is a critical improper authorization vulnerability in Microsoft Azure Red Hat OpenShift (ARO) that allows an authorized attacker to elevate privileges over a network. The vulnerability has a high CVSS score of 9.1, indicating severe impact on confidentiality, integrity, and availability. Microsoft has issued an official fix for this cloud service vulnerability. No known exploits are reported in the wild at this time.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-56160) in Azure Red Hat OpenShift (ARO) involves improper authorization (CWE-285), enabling an attacker with some level of authorization to escalate privileges remotely. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, and scope change with high impact on confidentiality, integrity, and availability. As a cloud-hosted service, Microsoft manages remediation and has released an official fix to address this issue.
Potential Impact
An authorized attacker can exploit this vulnerability to elevate privileges within the Azure Red Hat OpenShift environment, potentially gaining unauthorized access to sensitive data, modifying system configurations, or disrupting service availability. The vulnerability affects confidentiality, integrity, and availability with a critical severity level.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for this cloud-hosted service. Users of Azure Red Hat OpenShift should follow Microsoft's guidance and ensure their service instances are updated according to the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56160. No additional action is required beyond applying the official fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-19T13:53:31.988Z
- 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-2026-56160","vendor":"Microsoft"}]
Threat ID: 6a62b3ff9c2644c7f8000d51
Added to database: 07/24/2026, 00:38:23 UTC
Last enriched: 07/24/2026, 00:52:27 UTC
Last updated: 07/24/2026, 00:52:34 UTC
Views: 3
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