CVE-2025-53767: Elevation of Privilege in Azure OpenAI
Platform
azure
Component
azure-open-ai
CVE-2025-53767 represents a critical elevation of privilege vulnerability within Azure OpenAI. Successful exploitation could allow an attacker to gain unauthorized access and escalate privileges, potentially compromising sensitive data and system integrity. This vulnerability affects versions prior to the release of a security patch, and immediate action is recommended to mitigate the risk.
Impact and Attack Scenarios
The impact of CVE-2025-53767 is significant due to the potential for privilege escalation within the Azure OpenAI environment. An attacker who successfully exploits this vulnerability could gain access to sensitive data, modify configurations, and potentially compromise the entire Azure OpenAI deployment. This could lead to data breaches, denial of service, and unauthorized access to underlying infrastructure. The severity is heightened by the potential for lateral movement within the Azure environment if the attacker gains a foothold through this vulnerability. The blast radius extends to any data processed or stored within the affected Azure OpenAI instance.
Exploitation Context
CVE-2025-53767 was publicly disclosed on 2025-08-07. The CVSS score of 10 (CRITICAL) indicates a high probability of exploitation. While no public proof-of-concept (POC) code is currently available, the critical severity and potential impact suggest that attackers may actively seek to exploit this vulnerability. Monitor security advisories and threat intelligence feeds for any indications of active exploitation campaigns. This vulnerability is not currently listed on the CISA KEV catalog.
Threat Intelligence
Exploit Status
EPSS
0.16% (37% percentile)
CISA SSVC
CVSS Vector
What do these metrics mean?
- Attack Vector
- Network — remotely exploitable over the internet. No physical or local access required. Widest attack surface.
- Attack Complexity
- Low — no special conditions required. Attacker can exploit reliably without depending on rare configurations or timing.
- Privileges Required
- None — unauthenticated. No login or credentials needed to exploit.
- User Interaction
- None — attack is automatic and silent. Victim does nothing: no click, no file open.
- Scope
- Changed — successful attack can pivot beyond the vulnerable component to other systems or the host OS.
- Confidentiality
- High — complete confidentiality loss. Attacker can read all data: credentials, keys, personal data.
- Integrity
- High — attacker can write, modify, or delete any data: databases, config files, or code.
- Availability
- None — no availability impact. Service remains fully operational.
Affected Software
Weakness Classification (CWE)
Timeline
- Reserved
- Published
- Modified
- EPSS updated
Mitigation and Workarounds
The primary mitigation for CVE-2025-53767 is to upgrade to the latest version of Azure OpenAI, which includes the necessary security patches. If immediate upgrade is not feasible due to compatibility concerns or downtime requirements, consider implementing stricter access controls and monitoring for suspicious activity. Review and restrict user permissions within Azure OpenAI, limiting access to only those resources necessary for their roles. Implement network segmentation to isolate the Azure OpenAI environment from other critical systems. Microsoft is expected to release specific configuration guidance and potentially WAF rules to help detect and prevent exploitation.
How to fix
Microsoft has released a security update to address this vulnerability. It is recommended to apply the updates provided by Microsoft for Azure OpenAI.
CVE Security Newsletter
Vulnerability analysis and critical alerts directly to your inbox.
Frequently asked questions
What is CVE-2025-53767 — Elevation of Privilege in Azure OpenAI?
CVE-2025-53767 is a critical vulnerability in Azure OpenAI that allows an attacker to escalate privileges and gain unauthorized access, potentially compromising data and systems.
Am I affected by CVE-2025-53767 in Azure OpenAI?
If you are using Azure OpenAI and have not upgraded to the latest version, you are potentially affected by this vulnerability. Check your version against the fixed version released by Microsoft.
How do I fix CVE-2025-53767 in Azure OpenAI?
The recommended fix is to upgrade to the latest version of Azure OpenAI, which includes the necessary security patches. Consult Microsoft's official documentation for upgrade instructions.
Is CVE-2025-53767 being actively exploited?
While no public exploits are currently available, the critical severity suggests a high likelihood of exploitation. Monitor security advisories and threat intelligence feeds.
Where can I find the official Azure OpenAI advisory for CVE-2025-53767?
Refer to the official Microsoft Security Response Center (MSRC) advisory for CVE-2025-53767 for detailed information and guidance.
Is your project affected?
Upload your dependency file and we'll tell you instantly if this and other CVEs hit you.