CVE-2021-27085 : What You Need to Know

A critical vulnerability in Internet Explorer 11 that allows remote code execution, impacting various Windows versions.

Understanding CVE-2021-27085

This CVE discloses a high-severity vulnerability in Internet Explorer 11, enabling attackers to execute arbitrary code remotely.

What is CVE-2021-27085?

The CVE-2021-27085 is a Remote Code Execution vulnerability affecting Internet Explorer 11, posing a significant threat to systems running Windows OS.

The Impact of CVE-2021-27085

With a base severity of 8.8 (HIGH), the vulnerability allows attackers to execute malicious code on the target system, leading to potential unauthorized access and control.

Technical Details of CVE-2021-27085

The technical aspects of the CVE-2021-27085 vulnerability include:

Vulnerability Description

The vulnerability allows attackers to exploit Internet Explorer 11, enabling the execution of arbitrary remote code.

Affected Systems and Versions

Systems impacted include various Windows versions such as Windows 10 Version 1803, 1809, 1909, 2004, and 20H2, along with Windows Server 2019.

Exploitation Mechanism

Attackers can exploit this vulnerability by luring a user to a malicious website or opening a specially crafted file to execute arbitrary code on the target system.

Mitigation and Prevention

To safeguard against CVE-2021-27085, follow these security measures:

Immediate Steps to Take

Disable Internet Explorer or restrict its use to only trusted sites.
Implement network level authentication to reduce the attack surface.

Long-Term Security Practices

Regularly update Internet Explorer and Windows OS with the latest security patches.
Educate users on recognizing and avoiding suspicious links or attachments.

Patching and Updates

Microsoft may release security updates to patch the vulnerability. Ensure timely installation of these patches to mitigate the risk.