CVE-2021-36941 Explained : Impact and Mitigation

This article provides an in-depth understanding of CVE-2021-36941, a Microsoft Word Remote Code Execution Vulnerability discovered on August 10, 2021.

Understanding CVE-2021-36941

CVE-2021-36941 is a high-severity vulnerability in Microsoft Word that allows remote code execution, which can lead to unauthorized access and potential damage to the affected systems.

What is CVE-2021-36941?

The CVE-2021-36941 vulnerability refers to a flaw in Microsoft Word that allows attackers to execute arbitrary code remotely, posing a significant threat to the security and integrity of the system.

The Impact of CVE-2021-36941

This vulnerability has a base severity rating of HIGH (7.8) according to the Common Vulnerability Scoring System (CVSS) version 3.1. It can result in unauthorized access, data manipulation, and system compromise if exploited.

Technical Details of CVE-2021-36941

CVE-2021-36941 affects Microsoft Office 2019 for Mac version 16.0.0 with a version less than 16.52.21080801 and Microsoft 365 Apps for Enterprise version 16.0.1. For more details, refer to the provided reference link.

Vulnerability Description

The vulnerability allows an attacker to execute malicious code remotely, potentially leading to complete system compromise or data theft.

Affected Systems and Versions

Microsoft Office 2019 for Mac version 16.0.0 (less than 16.52.21080801)
Microsoft 365 Apps for Enterprise version 16.0.1 (less than https://aka.ms/OfficeSecurityReleases)

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into opening a specially crafted Word document, allowing the execution of malicious code on the victim's system.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-36941, users and organizations are advised to take immediate steps and implement long-term security practices.

Immediate Steps to Take

Install security updates provided by Microsoft to patch the vulnerability.
Avoid opening suspicious or unexpected Word documents from unknown or untrusted sources.

Long-Term Security Practices

Regularly update Microsoft Office software to the latest versions.
Educate users about safe document handling practices to prevent potential exploits.

Patching and Updates

Ensure that Microsoft Office products are kept up to date with the latest security patches and releases to address known vulnerabilities and safeguard against potential threats.