CVE-2025-59247
Published: 09 October 2025
Summary
CVE-2025-59247 is a high-severity Improper Privilege Management (CWE-269) vulnerability in Microsoft Azure Playfab. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 39.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 AC-3 (Access Enforcement) and AC-6 (Least Privilege).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Enforces least privilege to directly mitigate improper privilege management (CWE-269) that enables low-privilege users to escalate access in this Azure PlayFab vulnerability.
Requires enforcement of approved authorizations, preventing unauthorized privilege elevation exploited by authenticated low-privilege attackers.
Protects session authenticity to address reliance on cookies without validation and integrity checking (CWE-565), blocking manipulation leading to privilege escalation.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The vulnerability is explicitly an Elevation of Privilege issue (CWE-269) exploitable by low-privileged authenticated users to gain high-impact access remotely, directly mapping to T1068: Exploitation for Privilege Escalation.
NVD Description
Azure PlayFab Elevation of Privilege Vulnerability
Deeper analysisAI
CVE-2025-59247 is an Elevation of Privilege vulnerability affecting Azure PlayFab, a Microsoft cloud service for game development. Assigned a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), it stems from improper privilege management (CWE-269) and reliance on cookies without validation and integrity checking (CWE-565). The vulnerability was publicly disclosed on October 9, 2025.
An authenticated attacker with low privileges can exploit this vulnerability remotely over the network with low complexity and no user interaction required. Successful exploitation allows the attacker to elevate privileges, potentially gaining high-impact access to confidentiality, integrity, and availability of affected systems or data within the Azure PlayFab environment.
Microsoft's Security Response Center has published an update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59247, which provides details on patches, mitigations, and workarounds for addressing the vulnerability. Security practitioners should consult this advisory for implementation guidance.
Details
- CWE(s)