CVE-2025-53795 in PC Manager
Summary
by MITRE • 08/21/2025
Improper authorization in Microsoft PC Manager allows an unauthorized attacker to elevate privileges over a network.
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Analysis
by VulDB Data Team • 08/26/2025
Microsoft PC Manager contains a critical authorization flaw that enables unauthorized attackers to escalate privileges across network boundaries. This vulnerability stems from insufficient access control mechanisms within the application's authentication framework, allowing malicious actors to bypass normal security restrictions and gain elevated system permissions. The flaw exists in the way the software validates user credentials and authorization tokens during network-based operations, creating a pathway for privilege escalation attacks.
The technical implementation of this vulnerability involves improper validation of network requests and insufficient session management controls. Attackers can exploit this weakness by crafting malicious network packets or manipulating existing authenticated sessions to perform actions typically restricted to administrators or privileged users. The vulnerability manifests when the application fails to properly verify the identity and authorization level of remote entities attempting to execute privileged operations. This authorization bypass occurs at the network protocol level where the application accepts and processes commands without adequate verification of the requesting entity's permissions.
Network-based exploitation of this vulnerability presents significant operational risks for organizations relying on Microsoft PC Manager for system administration tasks. Attackers can leverage this flaw to gain unauthorized access to sensitive system functions, potentially leading to complete system compromise, data exfiltration, or persistent backdoor installation. The impact extends beyond individual system compromise as the vulnerability allows lateral movement within network environments where multiple instances of PC Manager may be deployed. Organizations with distributed computing environments face heightened risk as the vulnerability can be exploited across multiple network segments without requiring local system access.
The vulnerability aligns with CWE-285, which addresses improper authorization in software systems, and maps to ATT&CK technique T1078 for valid accounts and T1543 for create or modify system process. Security professionals should implement immediate network segmentation measures to limit access to PC Manager services and deploy network monitoring solutions to detect anomalous authentication patterns. Organizations must also ensure proper patch management protocols are in place to address this vulnerability promptly. The recommended mitigations include disabling unnecessary network services, implementing strict access controls, and conducting regular security audits of network-based administrative tools to identify similar authorization weaknesses. Additionally, organizations should consider deploying intrusion detection systems specifically configured to monitor for exploitation attempts targeting this class of authorization bypass vulnerabilities.