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CVE-2018-8174

HIGH
7.5
CVSS Score
Published: May 9, 2018 at 07:00 PM UTC
Updated: August 13, 2026 at 05:37 AM UTC
11 products affected across 1 vendorWindows Server 2016Windows Server 2012Windows 10 1607

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Severity
HIGH7.5
Exploitation
CISA KEV
Exploit prediction
EPSS 88%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score88.2%

EPSS (Exploit Prediction Scoring System) estimates a 88.2% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.
Ransomware Use
Known
Added to KEV
Feb 15, 2022
Remediation Due
Aug 15, 2022
1534 days overdue
Notes
https://nvd.nist.gov/vuln/detail/CVE-2018-8174

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 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.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/103998
x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
Source: [email protected]
https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174
Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.exploit-db.com/exploits/44741/
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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