Zscaler Security Advisories

Security Advisory - August 13, 2024

Zscaler protects against 8 new vulnerabilities for Windows

  1. Overview
  2. CVE-2024-38141 – Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
  3. CVE-2024-38144 – Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability
  4. CVE-2024-38147 – Microsoft DWM Core Library Elevation of Privilege Vulnerability
  5. CVE-2024-38150– Windows DWM Core Library Elevation of Privilege Vulnerability
  6. CVE-2024-38178 – Scripting Engine Memory Corruption Vulnerability
  7. CVE-2024-38193 – Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
  8. CVE-2024-38196 – Windows Common Log File System Driver Elevation of Privilege Vulnerability
  9. CVE-2024-38106 – Windows Kernel Elevation of Privilege Vulnerability

Zscaler, working with Microsoft through their MAPP program, has proactively deployed protection for the following 8 vulnerabilities included in the August 2024 Microsoft security bulletins. Zscaler will continue to monitor exploits associated with all vulnerabilities in the August release and deploy additional protections, as necessary.

CVE-2024-38141 – Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Severity: Important

Subscriptions Required

  • Advanced Threat Protection
  • Advanced Cloud Sandbox

Zscaler Threatname : Win64.Exploit.CVE-2024-38141

Affected Software

  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2016
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2019
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems

CVE-2024-38144 – Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability 

Severity: Important

Subscriptions Required

  • Advanced Cloud Sandbox
  • Advanced Threat Protection

Zscaler Threatname : Win64.Exploit.CVE-2024-38144

Affected Software

  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2016
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2019
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems

CVE-2024-38147 – Microsoft DWM Core Library Elevation of Privilege Vulnerability

Severity: Important

Subscriptions Required

  • Advanced Cloud Sandbox
  • Advanced Threat Protection

Zscaler Threatname : Win64.Exploit.CVE-2024-38147

Affected Software

  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022

CVE-2024-38150– Windows DWM Core Library Elevation of Privilege Vulnerability

Severity: Important

Subscriptions Required

  • Advanced Threat Protection
  • Advanced Cloud Sandbox

Zscaler Threatname : Win64.Exploit.CVE-2024-38150

Affected Software

  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022

CVE-2024-38178 – Scripting Engine Memory Corruption Vulnerability

Severity: Important

Subscriptions Required

  • Advanced Threat Protection

Zscaler Threatname : HTML.Exploit.CVE-2024-38178

Affected Software

  • Windows 10 for 32-bit Systems
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2016
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2019
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems

CVE-2024-38193 – Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Severity: Important

Subscriptions Required

  • Advanced Threat Protection
  • Advanced Cloud Sandbox

Zscaler Threatname : Win64.Exploit.CVE-2024-38193

Affected Software

  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2019
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems

CVE-2024-38196 – Windows Common Log File System Driver Elevation of Privilege Vulnerability

Severity: Important

Subscriptions Required

  • Advanced Threat Protection
  • Advanced Cloud Sandbox

Zscaler Threatname : Win64.Exploit.CVE-2024-38196

Affected Software

  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2016
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2019
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems

CVE-2024-38106 – Windows Kernel Elevation of Privilege Vulnerability

Severity: Important

Subscriptions Required

  • Advanced Threat Protection
  • Advanced Cloud Sandbox

Zscaler Threatname : Win64.Exploit.CVE-2024-38106

Affected Software

  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2019
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems