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Findings

CVE-2018-8174

Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability

Published May 9, 2018 · updated Aug 12, 2026 · microsoft windows 10 1607

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Timeline

Detection, updates, and resolution for this record.

  1. May 9, 2018 · Catalog

    Detected

    A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

  2. Feb 15, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Aug 15, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Aug 12, 2026 · Catalog

    Updated

    A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Required action

Apply updates per vendor instructions.

CISA due date Aug 15, 2022

Affected

  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1703version unspecified
  • cpe microsoft/windows 10 1709version unspecified
  • cpe microsoft/windows 10 1803version unspecified
  • cpe microsoft/windows 7version unspecified
  • cpe microsoft/windows 8.1version unspecified
  • cpe microsoft/windows rt 8.1version unspecified
  • cpe microsoft/windows server 2008version unspecified
  • vendor Microsoft Windowsversion unspecified

Sources

  • CISA KEVCVE-2018-8174

    A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution"

    cisa.gov
  • CVE.orgCVE-2018-8174

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2018-8174

    30-day exploitation probability 88.3%

    first.org
  • Exploit Database44741

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDCVE-2018-8174

    A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012,

    nvd.nist.gov

References

CVE-2018-8174 · ZeroDay Findings