CVE-2025-53145 in Windows
Summary
by MITRE • 08/12/2025
Access of resource using incompatible type ('type confusion') in Windows Message Queuing allows an authorized attacker to execute code over a network.
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Analysis
by VulDB Data Team • 11/22/2025
The vulnerability identified as CVE-2025-53145 represents a critical type confusion flaw within Windows Message Queuing component that enables authenticated attackers to achieve remote code execution. This issue stems from improper handling of data types when processing messages within the messaging infrastructure, creating opportunities for malicious actors to manipulate memory operations through carefully crafted network requests. The vulnerability manifests when the system processes messages with incompatible data types, leading to unpredictable behavior that can be exploited to execute arbitrary code on the target system. Such type confusion vulnerabilities are particularly dangerous because they often result in memory corruption that can be leveraged for privilege escalation or complete system compromise. The Windows Message Queuing service operates as a core component for inter-process communication in enterprise environments, making this vulnerability especially concerning for organizations relying on message queuing for critical business operations.
The technical exploitation of this vulnerability involves crafting malicious messages that trigger type confusion within the Windows Message Queuing subsystem. When the system receives and processes these malformed messages, the improper type handling causes memory corruption that can be manipulated to redirect execution flow. Attackers typically exploit this by sending specially crafted messages that cause the system to interpret one data type as another, leading to memory overwrite conditions that allow code injection. This type of vulnerability aligns with CWE-415 which describes improper handling of memory allocation and deallocation, and CWE-471 which covers incorrect handling of pointers and memory references. The attack vector requires network access and authentication privileges, making it a remote code execution vulnerability that can be particularly devastating in enterprise environments where message queuing services are widely deployed. The vulnerability's impact is amplified by the fact that Windows Message Queuing is often used in mission-critical applications, including financial services, healthcare systems, and industrial control networks.
The operational impact of CVE-2025-53145 extends beyond immediate code execution capabilities to encompass potential system compromise and data breaches. Organizations utilizing Windows Message Queuing services face significant risk of unauthorized access, data manipulation, and service disruption when this vulnerability is exploited. The attack scenario typically involves an authenticated user or process sending malicious messages to the target system, potentially leveraging existing network access or credentials to establish persistent access. This vulnerability can be particularly dangerous in environments where message queuing serves as a communication backbone for distributed applications, as exploitation could lead to cascading failures across interconnected systems. The vulnerability's network-based nature means that attackers can potentially exploit it from remote locations, making traditional network segmentation measures insufficient for protection. Organizations may experience service degradation, data integrity issues, and potential compliance violations when this vulnerability is present in their systems, particularly in regulated industries where message queuing reliability is critical.
Mitigation strategies for CVE-2025-53145 should prioritize immediate patch deployment from Microsoft as the primary defense mechanism against this vulnerability. Organizations must ensure that all Windows systems running Message Queuing services are updated with the latest security patches and that proper access controls are implemented to limit message queuing service exposure. Network segmentation should be enforced to restrict access to message queuing services to authorized systems only, and intrusion detection systems should be configured to monitor for anomalous message patterns that might indicate exploitation attempts. Security teams should implement monitoring for suspicious network traffic related to message queuing protocols and establish incident response procedures for potential exploitation events. Additional protective measures include disabling unnecessary message queuing features, implementing strict authentication requirements for message queuing access, and conducting regular security assessments of messaging infrastructure. Organizations should also consider implementing application whitelisting policies and ensuring that message queuing services operate with minimal required privileges to limit potential damage from successful exploitation attempts. The vulnerability aligns with ATT&CK technique T1059 which covers command and script interpreter, as successful exploitation would typically involve executing malicious code through the compromised message queuing service.