CVE-2018-8174

high

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.

References

http://www.securityfocus.com/bid/103998

https://www.tenable.com/cyber-exposure/a-look-inside-the-ransomware-ecosystem

https://asec.ahnlab.com/en/19056/

https://www.exploit-db.com/exploits/44741/

https://vb2020.vblocalhost.com/uploads/VB2020-06.pdf

https://securelist.com/cactuspete-apt-groups-updated-bisonal-backdoor/97962/

https://blog.talosintelligence.com/2020/03/bisonal-10-years-of-play.html

https://blog.talosintelligence.com/2018/07/multiple-cobalt-personality-disorder.html

https://crowdstrike.lookbookhq.com/global-threat-report-2018-web/cs-2018-global-threat-report

https://web.archive.org/web/20190508170147/https://www.riskiq.com/blog/labs/cobalt-group-spear-phishing-russian-banks/

https://web.archive.org/web/20190508170630/https://www.riskiq.com/blog/labs/cobalt-strike/

https://blog.trendmicro.com/trendlabs-security-intelligence/cobalt-spam-runs-use-macros-cve-2017-8759-exploit/

https://www.ptsecurity.com/upload/corporate/ww-en/analytics/Cobalt-2017-eng.pdf

https://www.proofpoint.com/us/threat-insight/post/microsoft-word-intruder-integrates-cve-2017-0199-utilized-cobalt-group-target

https://www.ptsecurity.com/upload/corporate/ww-en/analytics/Cobalt-Snatch-eng.pdf

https://www.tenable.com/blog/critical-vulnerabilities-you-need-to-find-and-fix-to-protect-the-remote-workforce

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174

https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html

Details

Source: Mitre, NVD

Published: 2018-05-09

Updated: 2025-10-22

Named Vulnerability: Double KillKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.94283