What is CVE-2018-12203?

CVE-2018-12203 is a medium-severity vulnerability in Intel Core I3. CVSS score: 6.7/10. Published 2019-03-14.

How severe is CVE-2018-12203?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Intel Core I3

CVE-2018-12203

Denial of service vulnerability in Platform Sample/ Silicon Reference firmware for 8th Generation Intel Core Processor, 7th Generation Intel Core Processor may allow privileged user to potentially execute arbitrary code via local access.

Published 2019-03-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (39.1th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.1% 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 Core I3 — versions 8100, 8100h, 8100t
Intel Core I5 — versions 8200y, 8250u, 8259u
Intel Core I7 — versions 8086k, 8500y, 8550u
Intel Platform Sample Firmware
Intel Silicon Reference Firmware
Intel Corporation Platform Sample / Silicon Reference Firmware — versions Multiple versions.

References

Frequently asked questions

What is CVE-2018-12203?: CVE-2018-12203 is a medium-severity vulnerability in Intel Core I3. CVSS score: 6.7/10. Published 2019-03-14.
How severe is CVE-2018-12203?: Medium severity. CVSS v3 base score is 6.7 out of 10.