Security readout for executives and security teams
CVE-2018-8174 is a Microsoft VBScript engine remote code execution flaw. If a user interacts with malicious content, an attacker could run code on vulnerable Windows systems. It is business-relevant because CISA lists it as known exploited and public exploit references exist. Exposure is most likely on unpatched Windows 7, Windows 8.1, Windows 10 through version 1803-era builds, Windows Server 2008/2008 R2/2012/2012 R2/2016, Windows RT 8.1, and related Server Core installations listed by Microsoft. Treat this as urgent for any legacy or unpatched Windows estate. Known exploitation and public exploit references make delay risky, especially for endpoints or servers used to open web or document content. Mitigation focus: Apply Microsoft security updates for CVE-2018-8174 where supported.; Check MSRC guidance for affected versions and replacement update details.; Prioritize unsupported legacy Windows systems for isolation, upgrade, or retirement..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-8174 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H1.65.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 44741CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.htmlCVE reference · x_refsource_MISC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174CVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.