CVE-2025-53156 in Windows
Summary
by MITRE • 08/12/2025
Exposure of sensitive information to an unauthorized actor in Storage Port Driver allows an authorized attacker to disclose information locally.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 11/22/2025
The vulnerability identified as CVE-2025-53156 represents a critical information disclosure flaw within the Storage Port Driver component of affected systems. This issue manifests as an exposure of sensitive data to unauthorized actors, specifically enabling local attackers with authorized access to potentially extract confidential information from the storage subsystem. The vulnerability resides in the storage port driver which serves as a critical interface between storage controllers and the operating system, making it a prime target for exploitation. The flaw allows an attacker who already possesses legitimate authorization to escalate their privileges and access data that should remain protected within the storage environment.
The technical root cause of this vulnerability stems from inadequate access controls and insufficient data sanitization mechanisms within the Storage Port Driver implementation. When legitimate users interact with storage port interfaces, the driver fails to properly validate or restrict access to sensitive information that may be exposed through various data retrieval operations. This weakness creates an attack surface where authorized users can potentially access storage metadata, configuration details, or other confidential data elements that should be protected from unauthorized disclosure. The vulnerability demonstrates poor separation of concerns and inadequate privilege enforcement within the storage subsystem architecture, allowing for information leakage that violates fundamental security principles.
From an operational perspective, this vulnerability poses significant risks to organizations relying on affected storage systems. Local attackers who have legitimate access to storage resources can exploit this flaw to extract sensitive information that may include storage controller configurations, performance metrics, access logs, or other confidential data elements. The impact extends beyond simple information disclosure as the leaked data could potentially be used for further attacks, including privilege escalation, system reconnaissance, or targeted exploitation of other system components. The vulnerability is particularly concerning in environments where storage systems handle sensitive data such as financial records, personal information, or proprietary business data, as the exposure could lead to compliance violations and regulatory penalties.
Security mitigations for CVE-2025-53156 should focus on implementing robust access controls and data sanitization within the Storage Port Driver. Organizations should ensure that all storage port interfaces properly validate user permissions and enforce strict access controls to prevent unauthorized data disclosure. System administrators should implement comprehensive monitoring of storage port driver activities to detect anomalous access patterns that may indicate exploitation attempts. Additionally, regular security updates and patches should be applied promptly to address the underlying implementation flaws. The vulnerability aligns with CWE-200, which addresses "Information Exposure," and may relate to ATT&CK techniques involving credential access and privilege escalation through legitimate system access. Organizations should also consider implementing network segmentation and principle of least privilege access controls to minimize the potential impact of such vulnerabilities. The remediation approach must include thorough code review of storage driver implementations and validation of access control mechanisms to prevent similar issues from emerging in other system components.