CVE-2021-1715: Microsoft Word Remote Code Execution Vulnerability

Overview

Severity
High (CVSS 7.8)
CVSS Vector
CVSS:3.1/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-Jan
Released
2021-01-12
EPSS Score
4.54% (percentile: 89.2%)

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 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)
  • Microsoft Office Web Apps Server 2013 Service Pack 1

Security Updates (18)

Acknowledgments

kdot working with Trend Micro Zero Day Initiative

Revision History

  • 2021-01-12: Information published.