Introduction
Privilege escalation in a cloud-managed data store can lead to unauthorized administrative access and data exposure. CVE-2025-59271 is a recent high-severity vulnerability in Microsoft Azure Cache for Redis Enterprise, a widely used managed Redis service on Azure. It has a CVSS score of 8.7, and the flaw sits in the service's authorization checks.
Technical information
CVE-2025-59271 is classified under CWE-285 (Improper Authorization). Because Azure Cache for Redis Enterprise does not check authorization sufficiently, an authenticated user can escalate their privileges within the service, and can do so remotely. A user with limited permissions could then perform actions reserved for higher-privileged accounts.
Microsoft and the public advisories identify the root cause as a flaw in authorization logic and give no further specifics. No public code snippets, technical diagrams, or detailed exploitation steps have been disclosed.
Affected systems and versions
- Product: Microsoft Azure Cache for Redis Enterprise
- Versions and configuration: public sources have not published specific affected versions or configuration details as of this writing.
Vendor security history
Azure Cache for Redis Enterprise is part of the Azure platform, where other services have had privilege escalation and authorization vulnerabilities before. Microsoft typically responds to critical vulnerabilities with timely advisories and patches. For CVE-2025-59271, no patch or version-specific information is available at this time.
