How severe is CVE-2018-12203?

CVE-2018-12203 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-12203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12203?

CVE-2018-12203 primarily affects Intel Platform Sample Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-12203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-12203 published?

CVE-2018-12203 was published on 2019-03-14 and last updated on 2026-06-17.

CVE-2018-12203

CVE-2018-12203 is a medium-severity vulnerability in Intel Platform Sample Firmware with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 7.2
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Platform Sample Firmware
Published: 2019-03-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-12203?: CVE-2018-12203 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-12203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12203?: CVE-2018-12203 primarily affects Intel Platform Sample Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-12203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12203 published?: CVE-2018-12203 was published on 2019-03-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:intel:platform_sample_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:silicon_reference_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Platform Sample Firmware

CVE-2018-12205 — Medium (CVSS 6.8): Improper certificate validation in Platform Sample/ Silicon Reference firmware for 8th Generation Intel(R) Core(tm)…
CVE-2018-12204 — Medium (CVSS 6.7): Improper memory initialization in Platform Sample/Silicon Reference firmware Intel(R) Server Board, Intel(R) Server…
CVE-2018-12202 — Medium (CVSS 6.7): Privilege escalation vulnerability in Platform Sample/ Silicon Reference firmware for 8th Generation Intel(R) Core…
CVE-2018-12201 — Medium (CVSS 6.7): Buffer overflow vulnerability in Platform Sample / Silicon Reference firmware for 8th Generation Intel(R) Core…

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