CVE-2020-17090: Microsoft Defender for Endpoint Security Feature Bypass Vulnerability

Overview

Severity
Medium (CVSS 5.3)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Category
Security Feature Bypass
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2020-Nov
Released
2020-11-10
EPSS Score
5.92% (percentile: 90.6%)

Affected Products (23)

Windows

  • Windows 10 Version 2004 for x64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 20H2 for 32-bit Systems
  • Windows 10 Version 20H2 for ARM64-based Systems
  • Windows Server, version 2004 (Server Core installation)
  • Windows Server, version 20H2 (Server Core Installation)
  • Windows 10 Version 1803 for x64-based Systems
  • Windows 10 Version 1803 for 32-bit Systems
  • Windows 10 Version 1803 for ARM64-based Systems
  • Windows 10 Version 2004 for ARM64-based Systems
  • Windows 10 Version 1903 for 32-bit Systems
  • Windows 10 Version 1909 for ARM64-based Systems
  • Windows 10 Version 1909 for x64-based Systems
  • Windows 10 Version 1909 for 32-bit Systems
  • Windows 10 Version 2004 for 32-bit Systems
  • Windows Server, version 1909 (Server Core installation)
  • Windows Server 2019 (Server Core installation)
  • Windows 10 Version 1903 for x64-based Systems
  • Windows 10 Version 1903 for ARM64-based Systems
  • Windows Server, version 1903 (Server Core installation)
  • Windows Server 2019

Security Updates (4)

Acknowledgments

Noa Bratman of the Microsoft Defender for Endpoint team

Revision History

  • 2020-11-10: Information published.