CVE-2020-0866 Explained : Impact and Mitigation

An elevation of privilege vulnerability exists when the Windows Work Folder Service improperly handles file operations, aka 'Windows Work Folder Service Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0777, CVE-2020-0797, CVE-2020-0800, CVE-2020-0864, CVE-2020-0865, CVE-2020-0897.

Understanding CVE-2020-0866

This CVE details a vulnerability in Windows Work Folder Service that could allow attackers to elevate their privileges on affected systems.

What is CVE-2020-0866?

CVE-2020-0866 is an elevation of privilege vulnerability in the Windows Work Folder Service due to improper handling of file operations.

The Impact of CVE-2020-0866

The vulnerability could allow an attacker to elevate their privileges on the affected system, potentially leading to unauthorized access and control.

Technical Details of CVE-2020-0866

This section provides technical insights into the CVE.

Vulnerability Description

The vulnerability arises from the improper file operations handling by the Windows Work Folder Service.

Affected Systems and Versions

Windows: Various versions including 8.1, 10, and Server editions are affected.
Specific Versions: Versions like 10 Version 1803, 1809, 1709, 1607, and others are impacted.

Exploitation Mechanism

Attackers can exploit this vulnerability to manipulate file operations within the Windows Work Folder Service, leading to privilege escalation.

Mitigation and Prevention

Protect your system against CVE-2020-0866 with appropriate measures.

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Monitor for any suspicious activities related to file operations.

Long-Term Security Practices

Implement least privilege access to limit user capabilities.
Regularly update and maintain security configurations.

Patching and Updates

Ensure that all affected systems are updated with the latest security patches to mitigate the elevation of privilege vulnerability.