CVE-2021-40442: Microsoft Excel Remote Code Execution Vulnerability
First published: Wed Nov 10 2021(Updated: )
Microsoft Excel Remote Code Execution Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| microsoft 365 apps | ||
| Microsoft Excel for Mac | =2013-sp1 | |
| Microsoft Excel for Mac | =2016 | |
| Microsoft Office | =2019 | |
| Microsoft Office | =2019 | |
| Microsoft Office Long Term Servicing Channel | =2021 | |
| Microsoft Office Long Term Servicing Channel for Mac | =2021 | |
| Microsoft Office Online Server | ||
| Microsoft Office Web Apps Server | =2013-sp1 | |
| Microsoft SharePoint Enterprise Server | =2013-sp1 |
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Frequently Asked Questions
What is the severity of CVE-2021-40442?
CVE-2021-40442 has been rated as critical due to its potential for remote code execution.
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.
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.
What type of vulnerability is CVE-2021-40442?
CVE-2021-40442 is classified as a remote code execution vulnerability.
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.
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- vendor/microsoft
- canonical/microsoft 365 apps
- canonical/microsoft excel for mac
- version/microsoft excel for mac/2013-sp1
- version/microsoft excel for mac/2016
- canonical/microsoft office
- version/microsoft office/2019
- canonical/microsoft office long term servicing channel
- version/microsoft office long term servicing channel/2021
- canonical/microsoft office long term servicing channel for mac
- version/microsoft office long term servicing channel for mac/2021
- canonical/microsoft office online server
- canonical/microsoft office web apps server
- version/microsoft office web apps server/2013-sp1
- canonical/microsoft sharepoint enterprise server
- version/microsoft sharepoint enterprise server/2013-sp1