CVE-2021-40480 : What You Need to Know
Learn about CVE-2021-40480, a high-severity vulnerability in Microsoft Office Visio allowing remote code execution. Find mitigation steps and impacts.
Microsoft Office Visio Remote Code Execution Vulnerability was published on October 13, 2021, with a CVSS base score of 7.8.
Understanding CVE-2021-40480
This CVE relates to a Remote Code Execution vulnerability affecting Microsoft Office products.
What is CVE-2021-40480?
The vulnerability allows attackers to execute arbitrary code remotely on affected systems.
The Impact of CVE-2021-40480
The impact is classified as high with a CVSS base score of 7.8, posing significant risks to system integrity and confidentiality.
Technical Details of CVE-2021-40480
Microsoft Office Visio Remote Code Execution Vulnerability specifics.
Vulnerability Description
The vulnerability enables remote attackers to execute malicious code on targeted systems.
Affected Systems and Versions
- Microsoft Office 2019 version 19.0.0
- Microsoft 365 Apps for Enterprise version 16.0.1
- Microsoft Office LTSC 2021 version 16.0.1
Exploitation Mechanism
Attackers exploit this vulnerability by leveraging code execution techniques through Visio files or related components.
Mitigation and Prevention
Steps to mitigate the CVE-2021-40480 vulnerability.
Immediate Steps to Take
- Apply security patches from Microsoft promptly.
- Be cautious with Visio files from unknown sources.
- Consider network segmentation to limit exposure.
Long-Term Security Practices
- Conduct regular security training for employees.
- Implement a robust patch management process.
Patching and Updates
Regularly check for security updates and apply patches to vulnerable Microsoft Office installations promptly.