CVE-2018-0890 : What You Need to Know

A security feature bypass vulnerability known as "Active Directory Security Feature Bypass Vulnerability" affects Windows Server 2016, Windows 10, and Windows 10 Servers.

Understanding CVE-2018-0890

This CVE involves the incorrect application of Network Isolation settings by Active Directory, leading to a security feature bypass vulnerability.

What is CVE-2018-0890?

This vulnerability arises from Active Directory incorrectly applying Network Isolation settings, allowing for a security feature bypass.

The Impact of CVE-2018-0890

The vulnerability impacts Windows Server 2016, Windows 10, and Windows 10 Servers, potentially exposing these systems to security risks.

Technical Details of CVE-2018-0890

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability is a security feature bypass issue caused by Active Directory misapplying Network Isolation settings.

Affected Systems and Versions

Windows Server 2016 (Server Core installation)
Windows 10 Versions: 1607, 1703, 1709 for both 32-bit and x64-based Systems
Windows 10 Servers version 1709 (Server Core Installation)

Exploitation Mechanism

The vulnerability allows attackers to bypass security features by exploiting the misapplied Network Isolation settings.

Mitigation and Prevention

Protect your systems from CVE-2018-0890 with the following steps:

Immediate Steps to Take

Apply security updates provided by Microsoft promptly.
Monitor official sources for any additional guidance or patches.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly review and update Active Directory settings.
Conduct security assessments to identify and address vulnerabilities proactively.

Patching and Updates

Install the latest security updates and patches released by Microsoft to address the vulnerability.