CVE Watch—

CVE-2018-8174

Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability

CVSS

—

No CVSS

EPSS

87.6%

p100

KEV

YES

Feb 15, 2022

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

87.6%EPSS · 30 days87.8%

2026-06-302026-07-16

KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability

Added to KEV

Feb 15, 2022

Remediate by

Aug 15, 2022

Known ransomware use

Yes

Summary description

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

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2018-8174

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