CVE-2021-31190 : What You Need to Know

A Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability was identified and reported on May 11, 2021, impacting various Microsoft products.

Understanding CVE-2021-31190

This section will cover the vital aspects of CVE-2021-31190.

What is CVE-2021-31190?

The CVE-2021-31190 refers to a high-severity Elevation of Privilege vulnerability affecting Windows Container Isolation FS Filter Driver.

The Impact of CVE-2021-31190

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

Technical Details of CVE-2021-31190

Let's delve into the technical specifics of CVE-2021-31190.

Vulnerability Description

The vulnerability arises from the FS Filter Driver in Windows Container Isolation, creating a loophole for privilege escalation.

Affected Systems and Versions

The vulnerability impacts Windows 10 Version 1809, Windows Server 2019, and Windows Server 2019 (Server Core installation) versions less than 10.0.17763.1935.

Exploitation Mechanism

Attackers can exploit this vulnerability to gain elevated privileges on the affected systems through a crafted application or remote code execution.

Mitigation and Prevention

Learn how to safeguard your systems against CVE-2021-31190.

Immediate Steps to Take

Immediately apply security updates provided by Microsoft to patch the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Implement robust security measures, such as regular system updates, network segmentation, and least privilege access, to enhance overall system security.

Patching and Updates

Frequently check for and apply the latest security patches and updates from Microsoft to ensure ongoing protection against known vulnerabilities.