CVE-2025-62207

8.6 HIGH

📋 TL;DR

This vulnerability in Azure Monitor allows authenticated users to escalate privileges within the monitoring service, potentially gaining unauthorized access to monitoring data or configuration. It affects organizations using Azure Monitor with vulnerable configurations.

💻 Affected Systems

Products:
  • Azure Monitor
Versions: All versions prior to security update
Operating Systems: Azure cloud service
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access to Azure Monitor; cloud-only service, no on-premises impact

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could gain administrative control over Azure Monitor, access sensitive monitoring data across the organization, modify monitoring configurations to hide malicious activity, and potentially pivot to other Azure services.

🟠

Likely Case

Malicious insiders or compromised accounts could access monitoring data they shouldn't have permission to view, potentially exposing sensitive operational information or customer data.

🟢

If Mitigated

With proper access controls and monitoring, impact would be limited to unauthorized access within the Azure Monitor service scope only.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires authenticated access; Microsoft has not disclosed exploitation details

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Security update applied automatically by Microsoft

Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62207

Restart Required: No

Instructions:

1. No action required for most users - Microsoft applies patches automatically. 2. Verify your Azure Monitor service is updated through Azure Portal. 3. Ensure you're using the latest Azure SDKs and tools.

🔧 Temporary Workarounds

Restrict Azure Monitor Access

all

Implement strict role-based access control (RBAC) to limit who can access Azure Monitor

az role assignment create --assignee <user> --role 'Monitoring Reader' --scope <resource>
az role assignment create --assignee <user> --role 'Monitoring Contributor' --scope <resource>

Enable Azure Monitor Diagnostic Logs

all

Enable detailed logging to detect unauthorized access attempts

az monitor diagnostic-settings create --resource <resource-id> --name 'monitor-security' --logs '[{"category": "Administrative", "enabled": true}]' --workspace <log-analytics-workspace-id>

🧯 If You Can't Patch

  • Implement strict principle of least privilege for all Azure Monitor users
  • Enable Azure Security Center and configure alerts for suspicious monitoring activities

🔍 How to Verify

Check if Vulnerable:

Check Azure Security Center recommendations or use Azure Resource Graph to query for vulnerable configurations

Check Version:

az monitor log-analytics workspace list --query '[].{Name:name, Location:location, Sku:sku}'

Verify Fix Applied:

Verify through Azure Portal that security updates are applied; check Azure Monitor service health status

📡 Detection & Monitoring

Log Indicators:

  • Unusual privilege escalation attempts in Azure Activity Logs
  • Unexpected changes to monitoring configurations
  • Access to monitoring data from unusual locations or times

Network Indicators:

  • Unusual API call patterns to Azure Monitor endpoints
  • Multiple failed authentication attempts followed by successful privileged access

SIEM Query:

AzureActivity | where OperationNameValue contains 'Microsoft.Insights' and Caller contains 'elevate' or 'privilege'

🔗 References

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