What is CVE-2018-12449?

CVE-2018-12449 is a high-severity vulnerability in Navercorp Whale, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2018-10-11.

How severe is CVE-2018-12449?

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

Vulnerability in Navercorp Whale

CVE-2018-12449

The Whale browser installer 0.4.3.0 and earlier versions allows DLL hijacking.

Published 2018-10-11 · 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: 0.009 (58.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Navercorp Whale
Naver Corporation Whale Browser Installer — versions unspecified

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

cve.naver.com/detail/cve-2018-12449 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-12449?: CVE-2018-12449 is a high-severity vulnerability in Navercorp Whale, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2018-10-11.
How severe is CVE-2018-12449?: High severity. CVSS v3 base score is 7.8 out of 10.