How severe is CVE-2018-3666?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Intel Smart Sound Technology

CVE-2018-3666

Driver module in Intel Smart Sound Technology before version 9.21.00.3541 potentially allows a local attacker to execute arbitrary code as administrator via a non-paged pool overflow.

Published 2018-08-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.3th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Intel Smart Sound Technology
Intel Corporation Smart Sound Technology — versions before 9.21.00.3541

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00163.html (Vendor Advisory)

Frequently asked questions

What is CVE-2018-3666?: CVE-2018-3666 is a high-severity vulnerability in Intel Smart Sound Technology. CVSS score: 8.8/10. Published 2018-08-01.
How severe is CVE-2018-3666?: High severity. CVSS v3 base score is 8.8 out of 10.