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CVE-2018-12182

22
FAUCET Score

CVE-2018-12182 describes an insufficient memory write check in the SMM service for EDK II, affecting tianocore edk_ii products. This vulnerability has a CVSS score of 6.7 (MEDIUM) and could allow an authenticated user with local access to achieve escalation of privilege, information disclosure, or denial of service. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:tianocore:edk_ii:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.7MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 83rd percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2018-12182Moderate

edk2: insufficient memory write in SMM service leads to privilege escalation

Mar 28, 2019

References

edk2-docs.gitbooks.io / security-advisory/content/sw-smi-confused-deputy-smramsavestate_c.html
PatchVendor Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/TQYVZRFEXSN3KS43AVH4D7QX553EZQYP
support.hpe.com / hpsc/doc/public/display
securityfocus.com / bid/107648