CVE-2021-40442: Microsoft Excel Remote Code Execution Vulnerability
Published Nov 10, 2021
·Updated
Microsoft Excel Remote Code Execution Vulnerability
Affected Software
10 affected components
Microsoft 365 Apps
Microsoft Excel=2013-sp1
Microsoft Excel=2016
Microsoft Office=2019
Microsoft Office Macos=2019
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel Macos=2021
Microsoft Office Online Server
Microsoft Office Web Apps Server=2013-sp1
Microsoft SharePoint Enterprise Server=2013-sp1
Remediation
Event History
Nov 10, 2021
CVE Published
12:46 AM
Data Sourced
12:46 AM
DescriptionSeverity
Data Sourced
via NVD·01:19 AM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-40442?
CVE-2021-40442 has been rated as critical due to its potential for remote code execution.
2
How do I fix CVE-2021-40442?
To mitigate CVE-2021-40442, users should apply the latest security updates from Microsoft for affected software versions.
3
Which Microsoft products are affected by CVE-2021-40442?
CVE-2021-40442 affects various versions of Microsoft Excel, Office 2019, 2021, and Microsoft Office Online Server.
4
What type of vulnerability is CVE-2021-40442?
CVE-2021-40442 is classified as a remote code execution vulnerability.
5
Can CVE-2021-40442 be exploited through email attachments?
Yes, CVE-2021-40442 can be exploited through malicious email attachments that execute code when opened.