COURSE

CVE Series: MSHTML Vulnerability (CVE-2021-40444)

Course

The MSHTML Windows remote code execution vulnerability (CVE-2021-40444) identified in September 2021 could allow a threat actor to execute code on a victim’s machine. In this advanced course, you will exploit and mitigate this vulnerability in a secure lab environment, giving you the skills you need to protect your organization.
Start Course
Start course for free
Full access included with 
Insider Pro
 and 
Teams

1

H

47

M
Time

advanced

i
Designed for learners who have no prior work experience in IT or Cybersecurity, but are interested in starting a career in this exciting field.
Designed for learners with prior cybersecurity work experience who are interested in advancing their career or expanding their skillset.
Designed for learners with a solid grasp of foundational IT and cybersecurity concepts who are interested in pursuing an entry-level security role.
Experience Level

2

i

Earn qualifying credits for certification renewal with completion certificates provided for submission.
CEU's

Enrollees

Learners at 96% of Fortune 1000 companies trust Cybrary

About this course

Read More

Skills you'll gain

Course Outline

1
CVE-2021-40444 Exploitation
1
H
6
Min
1
CVE-2021-40444 Mitigation
0
H
41
Min

CVE-2021-40444 Introduction and Background

Free

10m

CVE-2021-40444 Root Cause and Mitigation

Free

10m

Conditions for the MSHTML (CVE-2021-40444) Vulnerability

Free

10m

Mitigate CVE-2021-40444 (Lab)

Free

30m

Exploiting CVE-2021-40444 (Lab)

Free

45m

CVE-2021-40444 Summary

Free

1m

Application and Use for Pentesters and Red Teamers

Free

1m

CVE-2021-40444 Exploitation
Heading
Module 1: Introduction
1
Hr
5
Min
CVE-2021-40444 Mitigation
Heading
Module 1: Introduction
1
Hr
5
Min
CVE-2021-40444 Introduction and Background

10m

CVE-2021-40444 Exploitation
CVE-2021-40444 Root Cause and Mitigation

10m

CVE-2021-40444 Mitigation
Conditions for the MSHTML (CVE-2021-40444) Vulnerability

10m

CVE-2021-40444 Exploitation
Mitigate CVE-2021-40444 (Lab)

30m

CVE-2021-40444 Mitigation
Exploiting CVE-2021-40444 (Lab)

45m

CVE-2021-40444 Exploitation
CVE-2021-40444 Summary

1m

CVE-2021-40444 Mitigation
Application and Use for Pentesters and Red Teamers

1m

CVE-2021-40444 Exploitation
Course Description

Who should take this course?

This MSHTML Vulnerability (CVE-2021-40444) course is designed for an advanced-level learner, someone who is a seasoned offensive security professional, SOC analyst, or Windows system administrator, who wants to know how to exploit and protect against the latest vulnerabilities impacting enterprise systems.

What are the prerequisites for this course?

You will gain the most benefit from this course if you have a solid functional understanding of Windows as an operating system, including core Windows security components around web browsers, HTML, Javascript, and compression file formats.

Why should I take this course?

MSHTML Vulnerability (CVE-2021-40444) is a Windows remote code execution vulnerability that could allow a threat actor to execute code on a victim's machine via ActiveX from an MS Word (or Rich Text Format) document without the functionality of macros. This course will show you how to exploit and mitigate this vulnerability in a secure virtual lab environment so you can better protect your organization.

What makes this course different from other courses on similar topics?

This course covers a critical vulnerability that could affect your organization. Matt Mullins is a seasoned professional in the offensive security field with over a decade of experience. He has worked in medical, financial, and government spaces and has led multiple Red Team engagements, ranging from a few weeks to a year, and covering multiple security domains. Outside of Red Teaming, Matt is also a seasoned penetration tester with interests in: AppSec, OSINT, Hardware, Wifi, Social Engineering, and Physical Security. Matt has a Master's degree in Information Assurance and an exhaustive number of certifications ranging from frameworks, management, and hands-on hacking. Matt is a Technical SME at Cybrary, focusing on Adversarial Emulation and Red Teaming for course content.

Why should I take this course on Cybrary and not somewhere else?

This course enables you to learn from one of the foremost experts in the field and ensures your readiness to recognize and mitigate this CVE. Defenders will know how to protect their organization against this vulnerability. Offensive teams will be able to exploit this vulnerability. Our on-demand format affords you the flexibility to learn at your own pace.

Train Your Team

Cybrary’s expert-led cybersecurity courses help your team remediate skill gaps and get up-to-date on certifications. Utilize Cybrary to stay ahead of emerging threats and provide team members with clarity on how to learn, grow, and advance their careers within your organization.

Cybrary For Business

Included in a Path

Included Cert Path

Instructors

Matthew Mullins
Security Researcher - Adversary Emulation
Read Full Bio
Learn

Learn core concepts and get hands-on with key skills.

Practice

Exercise your problem-solving and creative thinking skills with security-centric puzzles

Prove

Assess your knowledge and skills to identify areas for improvement and measure your growth

Get Hands-on Learning

Put your skills to the test in virtual labs, challenges, and simulated environments.

Measure Your Progress

Track your skills development from lesson to lesson using the Cybrary Skills Tracker.

Connect with the Community

Connect with peers and mentors through our supportive community of cybersecurity professionals.

Success from Our Learners

"Cybrary really helped me get up to speed and acquire a baseline level of technical knowledge. It offers a far more comprehensive approach than just learning from a book. It actually shows you how to apply cybersecurity processes in a hands-on way"

Don Gates

Principal Systems Engineer/SAIC

"Cybrary’s SOC Analyst career path was the difference maker, and was instrumental in me landing my new job. I was able to show the employer that I had the right knowledge and the hands-on skills to execute the role."

Cory

Cybersecurity analyst/

"I was able to earn my CISSP certification within 60 days of signing up for Cybrary Insider Pro and got hired as a Security Analyst conducting security assessments and penetration testing within 120 days. This certainly wouldn’t have been possible without the support of the Cybrary mentor community."

Mike

Security Engineer and Pentester/

"Cybrary really helped me get up to speed and acquire a baseline level of technical knowledge. It offers a far more comprehensive approach than just learning from a book. It actually shows you how to apply cybersecurity processes in a hands-on way"

Don Gates

Principal Systems Engineer/SAIC

"Cybrary’s SOC Analyst career path was the difference maker, and was instrumental in me landing my new job. I was able to show the employer that I had the right knowledge and the hands-on skills to execute the role."

Cory

Cybersecurity analyst/

"I was able to earn my CISSP certification within 60 days of signing up for Cybrary Insider Pro and got hired as a Security Analyst conducting security assessments and penetration testing within 120 days. This certainly wouldn’t have been possible without the support of the Cybrary mentor community."

Mike

Security Engineer and Pentester/

"Becoming a Cybrary Insider Pro was a total game changer. Cybrary was instrumental in helping me break into cybersecurity, despite having no prior IT experience or security-related degree. Their career paths gave me clear direction, the instructors had real-world experience, and the virtual labs let me gain hands-on skills I could confidently put on my resume and speak to in interviews."

Cassandra

Information Security Analyst/Cisco Systems

"I was able to earn both my Security+ and CySA+ in two months. I give all the credit to Cybrary. I’m also proud to announce I recently accepted a job as a Cyber Systems Engineer at BDO... I always try to debunk the idea that you can't get a job without experience or a degree."

Casey

Cyber Systems Engineer/BDO

"Cybrary has helped me improve my hands-on skills and pass my toughest certification exams, enabling me to achieve 13 advanced certifications and successfully launch my own business. I love the practice tests for certification exams, especially, and appreciate the wide-ranging training options that let me find the best fit for my goals"

Angel

Founder,/ IntellChromatics.

courses

CVE Series: MSHTML Vulnerability (CVE-2021-40444)

The MSHTML Windows remote code execution vulnerability (CVE-2021-40444) identified in September 2021 could allow a threat actor to execute code on a victim’s machine. In this advanced course, you will exploit and mitigate this vulnerability in a secure lab environment, giving you the skills you need to protect your organization.
4
Share
Start CourseSubscribe for UpdatesNeed to train your team? Learn more
Start Course for FreeNeed to train your team? Learn more
1
H 
47
M
Time
advanced
difficulty
2
ceu/cpe

Course Content

Course Description

Who should take this course?

This MSHTML Vulnerability (CVE-2021-40444) course is designed for an advanced-level learner, someone who is a seasoned offensive security professional, SOC analyst, or Windows system administrator, who wants to know how to exploit and protect against the latest vulnerabilities impacting enterprise systems.

What are the prerequisites for this course?

You will gain the most benefit from this course if you have a solid functional understanding of Windows as an operating system, including core Windows security components around web browsers, HTML, Javascript, and compression file formats.

Why should I take this course?

MSHTML Vulnerability (CVE-2021-40444) is a Windows remote code execution vulnerability that could allow a threat actor to execute code on a victim's machine via ActiveX from an MS Word (or Rich Text Format) document without the functionality of macros. This course will show you how to exploit and mitigate this vulnerability in a secure virtual lab environment so you can better protect your organization.

What makes this course different from other courses on similar topics?

This course covers a critical vulnerability that could affect your organization. Matt Mullins is a seasoned professional in the offensive security field with over a decade of experience. He has worked in medical, financial, and government spaces and has led multiple Red Team engagements, ranging from a few weeks to a year, and covering multiple security domains. Outside of Red Teaming, Matt is also a seasoned penetration tester with interests in: AppSec, OSINT, Hardware, Wifi, Social Engineering, and Physical Security. Matt has a Master's degree in Information Assurance and an exhaustive number of certifications ranging from frameworks, management, and hands-on hacking. Matt is a Technical SME at Cybrary, focusing on Adversarial Emulation and Red Teaming for course content.

Why should I take this course on Cybrary and not somewhere else?

This course enables you to learn from one of the foremost experts in the field and ensures your readiness to recognize and mitigate this CVE. Defenders will know how to protect their organization against this vulnerability. Offensive teams will be able to exploit this vulnerability. Our on-demand format affords you the flexibility to learn at your own pace.

This course is part of a Career Path:
No items found.

Instructed by

Provider
Cybrary Logo
Certification Body
Certificate of Completion

Complete this entire course to earn a CVE Series: MSHTML Vulnerability (CVE-2021-40444) Certificate of Completion

Coming mid-July
Cybrary Reimagined.
Level up with structured, role-aligned career paths.
ALL NEW!
Cybrary Reimagined.
Celebrate Cybersecurity Awareness Month with our buy 2, get 1 offer!
Level up with structured, role-aligned career paths.
Valid until October 31. Elevate your skills today!
Start Now
This is the default text value
career-paths
career-path

Heading

Heading 1

Heading 2

Heading 3

Heading 4

Heading 5
Heading 6

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.

Block quote

Ordered list

  1. Item 1
  2. Item 2
  3. Item 3

Unordered list

  • Item A
  • Item B
  • Item C

Text link

Bold text

Emphasis

Superscript

Subscript

Start CourseNeed to train your team? Learn More
Start Path for FreeNeed to train your team? Learn More
This is some text inside of a div block.
Share

Purpose Statement

Cybrary Career Paths are comprehensive training programs designed to prepare you for the most in-demand roles in the cybersecurity workforce. Each path follows a Learn, Practice, Prove model and includes different activity types aligned to key topics within the path’s security domain. As you progress through the path, your progress will be measured in real time using Experience Points (XP) that serve as a comprehensive capability score for each topic. Upon completing all of the requirements for a path, you will be rewarded with a shareable digital badge via Credly.
This is some text inside of a div block.
H 
This is some text inside of a div block.
M
Time
This is some text inside of a div block.
difficulty
This is some text inside of a div block.
ceu/cpe

Overview

Heading 1

Heading 2

Heading 3

Heading 4

Heading 5
Heading 6

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.

Block quote

Ordered list

  1. Item 1
  2. Item 2
  3. Item 3

Unordered list

  • Item A
  • Item B
  • Item C

Text link

Bold text

Emphasis

Superscript

Subscript

Frequently Asked Questions
No items found.
What Will I Learn?
Foundations
Focused on the core IT competencies that cybersecurity professionals need to succeed in any career path.
Defensive Security
Focused on trying to find the bad guys. Topics such as threat intelligence, threat hunting, network monitoring, incident response. Defensive security is a reactive measure taken once a vulnerability is found through prevention, detection, and response.
Engineering and Operations
Focused on building and operating information systems.
Governance, Risk, and Compliance
Focused on the core IT competencies that cybersecurity professionals need to succeed in any career path.
Leadership and Management
Focused on program design and oversight. Covers project and program management.
Offensive Security
Focused on validating security controls by trying to break them (i.e. penetration testing or ethical hacking). Topics such as Kali Linux, metasploit, scanning, and privilege escalation. Offensive security seeks out the problem or vulnerability through ethical hacking and finds a solution to disable the operation.
Offensive Security
Focused on the core IT competencies that cybersecurity professionals need to succeed in any career path.
Path Outline

Heading 1

Heading 2

Heading 3

Heading 4

Heading 5
Heading 6

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.

Block quote

Ordered list

  1. Item 1
  2. Item 2
  3. Item 3

Unordered list

  • Item A
  • Item B
  • Item C

Text link

Bold text

Emphasis

Superscript

Subscript

Course Outline

What Our Learners Are Saying

Join 3 million+ users, including 96% of Fortune 1000 companies who use our platform to upskill their teams. See what the buzz is about - start learning for free!

No items found.
This is some text inside of a div block.
threat-actor-campaigns
threat-actor-campaigns