CVE-2021-27054: Microsoft Excel XLS File Parsing Use-After-Free Remote Code Execution Vulnerability
First published: Tue Mar 09 2021(Updated: )
Microsoft Excel Remote Code Execution Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Excel | ||
| Microsoft Excel 2010 | ||
| Microsoft Office 2019 for Mac | ||
| Microsoft Office 2010 | ||
| Microsoft Excel 2010 | ||
| Microsoft Excel 2013 | ||
| Microsoft Office 2016 | ||
| Microsoft Office 2013 | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft Office Web Apps Server 2013 | ||
| Microsoft Office 2019 for 32-bit editions | ||
| Microsoft Excel 2013 RT | ||
| Microsoft Excel 2016 | ||
| Microsoft Excel 2013 | ||
| Microsoft Office Online Server | ||
| Microsoft Office 2016 | ||
| Microsoft Office 2019 for 64-bit editions | ||
| Microsoft Office 2013 RT | ||
| Microsoft Office 2010 | ||
| Microsoft Office 2013 | ||
| Microsoft Excel 2016 | ||
| Microsoft 365 Apps | ||
| Microsoft Excel | =2010-sp2 | |
| Microsoft Excel | =2013-sp1 | |
| Microsoft Excel | =2013-sp1 | |
| Microsoft Excel | =2016 | |
| Microsoft Office | =2010-sp2 | |
| Microsoft Office | =2013-sp1 | |
| Microsoft Office | =2013-sp1 | |
| Microsoft Office | =2016 | |
| Microsoft Office | =2019 | |
| Microsoft Office | =2019 | |
| Microsoft Office Online Server | ||
| Microsoft Office Web Apps | =2013-sp1 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-27054?
CVE-2021-27054 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Microsoft Excel.
How severe is CVE-2021-27054?
CVE-2021-27054 has a severity rating of 7.8, which is considered high.
How do I exploit CVE-2021-27054?
To exploit CVE-2021-27054, remote attackers need the target to visit a malicious page or open a malicious file.
Which versions of Microsoft Excel are affected by CVE-2021-27054?
Microsoft Excel versions 2010, 2013, 2016, and Excel included in Microsoft 365 Apps for Enterprise are affected by CVE-2021-27054.
How can I fix CVE-2021-27054?
Apply the necessary security updates provided by Microsoft to fix CVE-2021-27054. Visit the provided links for the latest updates.
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