What is CVE-2018-18519?

CVE-2018-18519 is a high-severity vulnerability in Bestxsoftware Best Free Keylogger, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2018-11-19.

How severe is CVE-2018-18519?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Bestxsoftware Best Free Keylogger

CVE-2018-18519

BestXsoftware Best Free Keylogger before 6.0.0 allows local users to gain privileges via a Trojan horse "%PROGRAMFILES%\BFK 5.2.9\syscrb.exe" file because of insecure permissions for the BUILTIN\Users group.

Published 2018-11-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Bestxsoftware Best Free Keylogger

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

github.com/ilsani/rd/tree/master/security-advisories/bestxsoftware/cve-2018-185… (Third Party Advisory)

Frequently asked questions

What is CVE-2018-18519?: CVE-2018-18519 is a high-severity vulnerability in Bestxsoftware Best Free Keylogger, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2018-11-19.
How severe is CVE-2018-18519?: High severity. CVSS v3 base score is 7.8 out of 10.