How severe is CVE-2018-12182?

CVE-2018-12182 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-2018-12182 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12182?

CVE-2018-12182 affects Tianocore Edk Ii. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12182?

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

When was CVE-2018-12182 published?

CVE-2018-12182 was published on 2019-03-27 and last updated on 2026-06-17.

CVE-2018-12182

CVE-2018-12182 is a medium-severity vulnerability in Tianocore Edk Ii 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. The underlying weakness is classified as CWE-441.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 4.6
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-441
Affected product: Tianocore Edk Ii
Published: 2019-03-27
Last modified: 2026-06-17

Description

Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.

Frequently asked questions

What is CVE-2018-12182?: Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.
How severe is CVE-2018-12182?: CVE-2018-12182 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-2018-12182 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12182?: CVE-2018-12182 affects Tianocore Edk Ii. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12182?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12182 published?: CVE-2018-12182 was published on 2019-03-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tianocore:edk_ii:-:*:*:*:*:*:*:*

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