CVE-2018-8174 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2018-8174HIGH

Microsoft Windows

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   H   N   R  U  H  H  H    7.5   .8851   99.8   YES

AFFECTED
  Product                 Versions                                    Fixed
  Windows 7               32-bit Systems Service Pack 1 –             —
  Windows Server 2012 R2  (Server Core installation) –                —
  Windows RT 8.1          Windows RT 8.1 –                            —
  Windows Server 2008     32-bit Systems Service Pack 2 –             —
  Windows Server 2012     (Server Core installation) –                —
  Windows 8.1             32-bit systems –                            —
  Windows Server 2016     (Server Core installation) –                —
  Windows Server 2008 R2  Itanium-Based Systems Service Pack 1 –      —
  Windows 10              32-bit Systems –                            —
  Windows 10 Servers      version 1709  (Server Core Installation) –  —

TIMELINE
  Mar 14  Reserved by microsoft
  Feb 15  Added to CISA KEV, remediation due 2022-08-15
  Feb 15  Published (CNA: microsoft)
  Aug 12  EXPLOIT PUBLISHED — CVE-2018-8174 (Microsoft Windows 7). Public exploit reference added.

CWE-787 · CNA: microsoft · CVSS v3.1 · 5 references · NVD status: Analyzed · KEV due August 15, 2022

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
March 14, 2018	Reserved	Reserved by microsoft
February 15, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-08-15
February 15, 2022	Published	Published (CNA: microsoft)
August 12, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2018-8174 (Microsoft Windows 7). Public exploit reference added.

Affected

Affected products and packages — 10 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Windows 7	—	32-bit Systems Service Pack 1	—
Microsoft	Windows Server 2012 R2	—	(Server Core installation)	—
Microsoft	Windows RT 8.1	—	Windows RT 8.1	—
Microsoft	Windows Server 2008	—	32-bit Systems Service Pack 2	—
Microsoft	Windows Server 2012	—	(Server Core installation)	—
Microsoft	Windows 8.1	—	32-bit systems	—
Microsoft	Windows Server 2016	—	(Server Core installation)	—
Microsoft	Windows Server 2008 R2	—	Itanium-Based Systems Service Pack 1	—
Microsoft	Windows 10	—	32-bit Systems	—
Microsoft	Windows 10 Servers	—	version 1709 (Server Core Installation)	—

Weaknesses

CWE-787

References (5)

http://www.securityfocus.com/bid/103998 [Third Party Advisory, VDB Entry]
https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html [Exploit, Technical Description, Third Party Advisory]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174 [Patch, Vendor Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174 [US Government Resource]
https://www.exploit-db.com/exploits/44741/ [Exploit, Third Party Advisory, VDB Entry]

Authoritative record: CVE-2018-8174 at cve.org

Vendors: microsoft

Weaknesses: CWE-787

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2018-8174 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.