Platform
windows
Component
microsoft-purview
CVE-2025-64676 represents a Remote Code Execution (RCE) vulnerability within Microsoft Purview. This flaw allows an authenticated attacker to execute arbitrary code over a network, potentially leading to complete system compromise. The specific affected versions of Microsoft Purview remain unspecified at this time. Microsoft is expected to release a security update to address this issue.
The impact of this RCE vulnerability is significant. A successful exploit allows an attacker to gain complete control over the affected Microsoft Purview instance. This could involve data exfiltration, modification of sensitive information, installation of malware, or even pivoting to other systems within the network. Given the nature of Microsoft Purview, which often handles sensitive data and compliance-related functions, the potential for damage is substantial. Attackers could leverage this vulnerability to bypass security controls and gain unauthorized access to critical business assets. The '.../...//' pattern in the description suggests a path traversal vulnerability, which is a common technique for gaining unauthorized access.
CVE-2025-64676 was published on 2025-12-18. The EPSS score is currently pending evaluation. Public proof-of-concept (POC) code is not yet available, but the nature of the vulnerability (RCE with path traversal) suggests that it could be relatively easy to exploit once a POC is released. Monitor security advisories and threat intelligence feeds for updates on exploitation activity.
Exploit Status
EPSS
0.09% (25% percentile)
CISA SSVC
CVSS Vector
Due to the lack of specified affected versions, immediate mitigation focuses on reducing the attack surface. Implement strict network segmentation to limit access to Microsoft Purview instances. Enforce the principle of least privilege, granting users only the necessary permissions. Regularly review and audit network access controls. Consider implementing a Web Application Firewall (WAF) with rules to detect and block path traversal attempts. Monitor system logs for suspicious activity, particularly related to file access and execution. While a patch is pending, these measures can significantly reduce the risk of exploitation.
Microsoft ha lanzado actualizaciones de seguridad para abordar esta vulnerabilidad. Aplique las actualizaciones más recientes proporcionadas por Microsoft a través de Windows Update o el Centro de Descargas de Microsoft para mitigar el riesgo de ejecución remota de código.
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CVE-2025-64676 is a Remote Code Execution (RCE) vulnerability in Microsoft Purview that allows an authenticated attacker to execute code over a network, potentially leading to system compromise. It has a CVSS score of 7.2 (HIGH).
The specific affected versions of Microsoft Purview are currently unspecified. If you are using Microsoft Purview, it is recommended to review network access controls and implement least privilege principles as a precaution.
A security update is pending from Microsoft. Until then, mitigate by reviewing network access controls, implementing least privilege, and monitoring system logs for suspicious activity.
Public proof-of-concept (POC) code is not yet available, but the vulnerability's nature suggests it could be exploited once a POC is released. Monitor security advisories for updates.
Refer to the Microsoft Security Update Guide for the latest information and security advisory once it is published: https://msrc.microsoft.com/
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