CVE-2021-40479: Microsoft Excel Remote Code Execution Vulnerability

Published Oct 13, 2021

Updated

Microsoft Excel Remote Code Execution Vulnerability

Affected Software

6 affected components

Microsoft 365 Apps

Microsoft Office=2013-sp1

Microsoft Office=2016

Microsoft Office=2019

Microsoft Office Long Term Servicing Channel=2021

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40479

Event History

Oct 13, 2021

CVE Published

via MITRE·12:27 AM

Data Sourced

via MITRE·12:27 AM

DescriptionSeverity

Data Sourced

via NVD·01:15 AM

RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

What is CVE-2021-40479?

CVE-2021-40479 is a Microsoft Excel Remote Code Execution Vulnerability.

Which software is affected by CVE-2021-40479?

CVE-2021-40479 affects Microsoft Office LTSC for Mac 2021, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Office 2019, and Microsoft Office Long Term Servicing Channel 2021.

What is the severity of CVE-2021-40479?

The severity of CVE-2021-40479 is high with a severity value of 7.8.

How can I fix CVE-2021-40479?

To fix CVE-2021-40479, it is recommended to apply the security patch provided by Microsoft. Please refer to the official Microsoft Security Guidance Advisory for more information.

Where can I find more information about CVE-2021-40479?

You can find more information about CVE-2021-40479 in the Microsoft Security Guidance Advisory available at the following link: [link](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40479).