CVE-2021-28453: Microsoft Word DOC File Parsing Use-After-Free Remote Code Execution Vulnerability
First published: Tue Apr 13 2021(Updated: )
Microsoft Word Remote Code Execution Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Word | ||
| Microsoft Office 2010 | ||
| Microsoft SharePoint Enterprise Server 2013 | ||
| Microsoft Word 2010 | ||
| Microsoft Word 2013 | ||
| Microsoft Word 2016 | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft Office 2019 for 64-bit editions | ||
| Microsoft Word 2016 | ||
| Microsoft SharePoint Server 2019 | ||
| Microsoft SharePoint Enterprise Server 2016 | ||
| Microsoft Office Online Server | ||
| Microsoft SharePoint Server 2010 | ||
| Microsoft Word 2013 | ||
| Microsoft Word 2010 | ||
| Microsoft Office 2019 for Mac | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft Office Web Apps Server 2013 | ||
| Microsoft Office 2010 | ||
| Microsoft Office 2019 for 32-bit editions | ||
| Microsoft Office Web Apps 2010 | ||
| Microsoft Word 2013 RT | ||
| Microsoft 365 Apps | ||
| Microsoft Office | =2019 | |
| Microsoft Office | =2019 | |
| Microsoft Office Online Server | ||
| Microsoft Office Web Apps | =2010-sp2 | |
| Microsoft Office Web Apps Server | =2013-sp1 | |
| Microsoft SharePoint Server | =2010-sp2 | |
| Microsoft SharePoint Server | =2013-sp1 | |
| Microsoft SharePoint Server | =2016 | |
| Microsoft SharePoint Server | =2019 | |
| Microsoft Word | =2010-sp2 | |
| Microsoft Word | =2013-sp1 | |
| Microsoft Word | =2013-sp1 | |
| Microsoft Word | =2016 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-28453?
CVE-2021-28453 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Microsoft Word.
How does CVE-2021-28453 work?
CVE-2021-28453 works by exploiting a use-after-free vulnerability in the parsing of DOC files in Microsoft Word.
Is user interaction required to exploit CVE-2021-28453?
Yes, user interaction is required to exploit CVE-2021-28453. The target must visit a malicious page or open a malicious file.
Which versions of Microsoft Word are affected by CVE-2021-28453?
CVE-2021-28453 affects Microsoft Word 2010, 2013, 2016, and 2019.
How can I fix CVE-2021-28453?
To fix CVE-2021-28453, apply the security patches provided by Microsoft for the affected versions of Microsoft Word.
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