CVE-2021-28453: Microsoft Word Remote Code Execution Vulnerability
Overview
- Severity
- High (CVSS 7.8)
- CVSS Vector
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Category
- Remote Code Execution
- Exploit Status
- Not Exploited
- Exploitation Likelihood
- Less Likely
- Patch Tuesday
- 2021-Apr
- Released
- 2021-04-13
- Last Updated
- 2021-04-19
- EPSS Score
- 8.55% (percentile: 92.4%)
FAQ
Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
Affected Products (21)
Microsoft Office
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Enterprise Server 2013 Service Pack 1
- Microsoft SharePoint Server 2019
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft Office 2019 for Mac
- Microsoft Office Online Server
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Word 2016 (32-bit edition)
- Microsoft Word 2016 (64-bit edition)
- Microsoft Office 2010 Service Pack 2 (32-bit editions)
- Microsoft Office 2010 Service Pack 2 (64-bit editions)
- Microsoft Office Web Apps 2010 Service Pack 2
- Microsoft Office Web Apps Server 2013 Service Pack 1
- Microsoft SharePoint Server 2010 Service Pack 2
- Microsoft Word 2010 Service Pack 2 (32-bit editions)
- Microsoft Word 2010 Service Pack 2 (64-bit editions)
- Microsoft Word 2013 RT Service Pack 1
- Microsoft Word 2013 Service Pack 1 (32-bit editions)
- Microsoft Word 2013 Service Pack 1 (64-bit editions)
Security Updates (18)
Acknowledgments
kdot working with Trend Micro Zero Day Initiative
Revision History
- 2021-04-13: Information published.
- 2021-04-19: Added acknowledgements. This is an informational change only.