CVE-2020-17063: Microsoft Office Online Spoofing Vulnerability

Overview

Severity
Medium (CVSS 6.8)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
Category
Spoofing
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2020-Nov
Released
2020-11-10
EPSS Score
1.44% (percentile: 80.8%)

FAQ

Is the Preview Pane an attack vector for this vulnerability? No, the Preview Pane is not an attack vector.

Affected Products (4)

Microsoft Office

  • Microsoft Office 2019 for 32-bit editions
  • Microsoft Office 2019 for 64-bit editions
  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft 365 Apps for Enterprise for 64-bit Systems

Acknowledgments

Petros L. K. Mantos (@0nlyslayer) and Pavlos Kolios (@pzyc0) of Bewise Labs

Revision History

  • 2020-11-10: Information published.