Privilege Escalation in CyberArk Endpoint Privilege Manager Agent

Executive Summary

CVE-2025-66374 is a privilege escalation vulnerability in the CyberArk Endpoint Privilege Manager (EPM) agent for Windows, specifically affecting versions through 25.10.0.

This vulnerability allows a local user to gain elevated privileges by exploiting the policy elevation of an Administration task within the EPM agent.

Essentially, an attacker with local access can escalate their privileges beyond what is normally permitted by manipulating administrative policies.

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Impact Analysis

This vulnerability can have a significant security impact by allowing an unauthorized local user to escalate their privileges on a system running the affected CyberArk EPM agent.

With elevated privileges, the attacker could perform administrative actions, potentially compromising system integrity, accessing sensitive data, or disrupting operations.

Such privilege escalation can lead to broader security breaches, including unauthorized access to critical resources and increased risk of further exploitation.

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Detection Guidance

[{'type': 'paragraph', 'content': 'The vulnerability CVE-2025-66374 affects the CyberArk Endpoint Privilege Manager (EPM) agent for Windows, allowing privilege escalation through an administrative task. Detection involves verifying the version of the EPM agent installed on your systems.'}, {'type': 'paragraph', 'content': 'Specifically, the vulnerability is present in versions up to 25.10.0 and addressed in version 25.12.0 and later. Checking the installed EPM agent version can help identify if the system is vulnerable.'}, {'type': 'paragraph', 'content': "For Linux agents, the 'sudo -l' command can be used to list allowed and forbidden sudo commands, which may help in assessing privilege configurations, although this is not a direct detection method for this vulnerability."}, {'type': 'paragraph', 'content': 'No explicit commands for detecting the vulnerability on Windows or network indicators are provided in the available resources.'}] [1]

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Mitigation Strategies

The primary mitigation step is to upgrade the CyberArk Endpoint Privilege Manager (EPM) agent to version 25.12.0 or later, as these versions address the privilege escalation vulnerability CVE-2025-66374.

Upgrading to the latest EPM agent version also provides additional security enhancements and behavior improvements.

It is recommended to review and apply any additional security best practices and configuration changes documented by CyberArk in their release notes and community resources.

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Compliance Impact

The provided information does not specify how CVE-2025-66374 impacts compliance with common standards and regulations such as GDPR or HIPAA.

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