CVE-2018-8174
Actively exploited. CVE-2018-8174 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-15) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2018-8174 is indexed in Exploit-DB and GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution"
CSIRTS triage
- What
- A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory.
- Who is affected
- Deployments of Microsoft Windows using the VBScript engine are affected.
- Urgency
- Remediation is critical due to active exploitation and high severity.
- Action
- Update Microsoft Windows to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2018-8174
Get an email if CVE-2018-8174 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2018-8174 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2018-8174: Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerabilitycisa-kev · 2022-02-15
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2018-8174)