CVE-2020-1406 Explained : Impact and Mitigation

An elevation of privilege vulnerability exists in the way that the Windows Network List Service handles objects in memory, aka 'Windows Network List Service Elevation of Privilege Vulnerability'.

Understanding CVE-2020-1406

What is CVE-2020-1406?

CVE-2020-1406 is an elevation of privilege vulnerability found in the Windows Network List Service related to memory object handling.

The Impact of CVE-2020-1406

This vulnerability could allow an attacker to elevate privileges on the affected system, potentially leading to unauthorized actions.

Technical Details of CVE-2020-1406

Vulnerability Description

The vulnerability is linked to how the Windows Network List Service manages objects in memory, enabling malicious actors to exploit this weakness.

Affected Systems and Versions

Windows 10 Version 2004 for 32-bit, ARM64-based, and x64-based Systems
Windows Server versions 2004, 2019, 2016, and 2012 R2
Various versions of Windows 10, including 1803, 1809, 1709, 1607, as well as Windows 8.1

Exploitation Mechanism

Attackers can leverage this vulnerability to gain elevated privileges, potentially compromising the affected systems.

Mitigation and Prevention

Immediate Steps to Take

Apply security updates and patches provided by Microsoft promptly.
Monitor and restrict user access to critical system components.
Implement the principle of least privilege to limit potential impacts.

Long-Term Security Practices

Conduct regular security audits and vulnerability scans.
Educate users on safe computing practices and potential social engineering attacks.
Keep security software up to date to detect and prevent unauthorized activities.

Patching and Updates

Stay informed about security advisories and updates from Microsoft.
Regularly check for new patches and apply them to all affected systems.