Microsoft Fixes Critical Azure AI Vulnerability Scored 9.9
Microsoft Addresses Critical Security Flaws in Azure AI Face Service and Microsoft Account
Microsoft has recently released vital security patches to address two critical vulnerabilities affecting its Azure AI Face Service and Microsoft Account. These vulnerabilities, if exploited, could allow malicious actors to escalate their privileges, posing significant risks to users. The two flaws, identified as CVE-2025-21396 and CVE-2025-21415, have garnered attention due to their potential impact and high severity ratings.
Overview of the Vulnerabilities
- CVE-2025-21396 (CVSS score: 7.5) – Microsoft Account Elevation of Privilege Vulnerability
- CVE-2025-21415 (CVSS score: 9.9) – Azure AI Face Service Elevation of Privilege Vulnerability
According to Microsoft, the CVE-2025-21415 vulnerability involves an authentication bypass that an authorized attacker can exploit to escalate privileges over a network. This flaw was reported by an anonymous researcher, highlighting the importance of community contributions to cybersecurity.
In contrast, CVE-2025-21396 arises from missing authorization controls, enabling unauthorized attackers to gain elevated privileges. A security researcher known as Sugobet has been credited with its discovery.
Mitigation and Security Measures
Microsoft has confirmed that both vulnerabilities have been fully mitigated, and no immediate action is required from customers. However, the tech giant has acknowledged the existence of a proof-of-concept (PoC) exploit code for CVE-2025-21415, emphasizing the urgency of addressing these issues.
Microsoft’s advisory reflects its commitment to enhancing transparency regarding critical cloud service vulnerabilities. The company aims to keep customers informed about significant security flaws, ensuring that users remain vigilant and protected.
Importance of Cybersecurity Transparency
"As our industry matures and increasingly migrates to cloud-based services, we must be transparent about significant cybersecurity vulnerabilities that are found and fixed," stated Microsoft in a June 2024 announcement. The company believes that sharing information about vulnerabilities fosters collaboration within the tech community, enhancing the safety and resilience of critical infrastructure.
Conclusion
In summary, Microsoft’s recent patches for the Azure AI Face Service and Microsoft Account address serious security vulnerabilities that could impact user safety. By promptly mitigating these flaws, Microsoft reinforces its dedication to cybersecurity and customer protection.
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