CVE-2022-37981: Windows Event Logging Service Denial of Service Vulnerability

Overview

Severity
Medium (CVSS 4.3)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C
Category
Denial of Service
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2022-Oct
Released
2022-10-11
EPSS Score
11.07% (percentile: 93.4%)

FAQ

According to the CVSS metric, successful exploitation of this vulnerability could lead to some loss of availability (A:L)? What does that mean for this vulnerability? The performance can be interrupted and/or reduced, but the attacker cannot fully deny service.

Affected Products (40)

Windows

  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H1 for x64-based Systems
  • Windows Server 2022
  • Windows 10 Version 21H1 for 32-bit Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows Server 2022 (Server Core installation)
  • Windows 10 Version 21H1 for ARM64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 20H2 for ARM64-based Systems
  • Windows 10 Version 20H2 for 32-bit Systems
  • Windows Server 2019 (Server Core installation)
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows Server 2016 (Server Core installation)
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows Server 2016
  • Windows Server 2019
  • Windows 8.1 for x64-based systems
  • Windows 8.1 for 32-bit systems
  • Windows RT 8.1
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 for x64-based Systems

ESU

  • Windows Server 2012 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows 7 for 32-bit Systems Service Pack 1
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows 7 for x64-based Systems Service Pack 1
  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)

Security Updates (15)

Acknowledgments

Dolev Taler with Varonis

Revision History

  • 2022-10-11: Information published.