CVE-2020-1366 Explained : Impact and Mitigation

An elevation of privilege vulnerability exists when the Windows Print Workflow Service improperly handles objects in memory, aka 'Windows Print Workflow Service Elevation of Privilege Vulnerability'.

Understanding CVE-2020-1366

This CVE record describes a specific vulnerability in Microsoft Windows systems.

What is CVE-2020-1366?

CVE-2020-1366 is an elevation of privilege vulnerability identified in the Windows Print Workflow Service due to improper memory object handling.

The Impact of CVE-2020-1366

The vulnerability could allow an attacker to elevate privileges on a Windows system, potentially leading to unauthorized actions.

Technical Details of CVE-2020-1366

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability exists in how the Windows Print Workflow Service manages objects in memory, creating a security risk for privilege elevation.

Affected Systems and Versions

Systems affected include various Windows versions and editions:

Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows Server, version 2004 (Server Core installation)
Windows 10 Version 1803, 1809, 1709 for different architectures
Windows Server 2019 and Core installation
Windows 10 Version 1903, 1909 for different architectures
Windows Server, version 1903, 1909 (Server Core installation)

Exploitation Mechanism

The vulnerability can be exploited by a local attacker to execute arbitrary code and potentially gain escalated privileges on the affected Windows systems.

Mitigation and Prevention

Outlined are the steps to mitigate and prevent exploitation of CVE-2020-1366.

Immediate Steps to Take

Apply the necessary security updates provided by Microsoft promptly.
Monitor network activities for any signs of exploitation.
Implement the principle of least privilege to restrict unnecessary permissions.

Long-Term Security Practices

Regularly update and patch Windows systems to address known vulnerabilities.
Conduct security trainings to educate users on identifying and reporting suspicious activities.

Patching and Updates

Microsoft has released patches addressing the CVE-2020-1366 vulnerability. Ensure all affected systems are updated with the latest security fixes.