cve-2025-21285

CVE-2025-21285 is a Denial of Service (DoS) vulnerability in Microsoft Message Queuing (MSMQ), a technology used for asynchronous communication between software components. Disclosed by Microsoft's Security Response Center (MSRC), this flaw can allow an attacker to disrupt services by sending specially crafted messages to an MSMQ server. The vulnerability affects systems running MSMQ, and administrators are advised to apply security updates from Microsoft to mitigate the risk. Discussions on WindowsForum cover the technical details, potential impact on enterprise environments, and step-by-step remediation guidance, including disabling MSMQ if not needed or installing the latest patches.