What is CVE-2018-15983?

CVE-2018-15983 is a high-severity vulnerability in Adobe Flash Player, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2019-01-18.

How severe is CVE-2018-15983?

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

Vulnerability in Adobe Flash Player

CVE-2018-15983

Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have an insecure library loading (dll hijacking) vulnerability. Successful exploitation could lead to privilege escalation.

Published 2019-01-18 · 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: 0.033 (88.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

helpx.adobe.com/security/products/flash-player/apsb18-42.html (Patch, Vendor Advisory)
www.securityfocus.com/bid/106108 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-15983?: CVE-2018-15983 is a high-severity vulnerability in Adobe Flash Player, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2019-01-18.
How severe is CVE-2018-15983?: High severity. CVSS v3 base score is 7.8 out of 10.