Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-z6dd-929s-n7cr
Vulnerability ID VCID-z6dd-929s-n7cr
Aliases CVE-2018-12182
Summary edk2: insufficient memory write in SMM service leads to privilege escalation
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-284 Improper Access Control
CWE-441 Unintended Proxy or Intermediary ('Confused Deputy')
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12182.json
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2018-12182
cvssv2 4.6 https://nvd.nist.gov/vuln/detail/CVE-2018-12182
cvssv3 6.7 https://nvd.nist.gov/vuln/detail/CVE-2018-12182
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12182.json
https://api.first.org/data/v1/epss?cve=CVE-2018-12182
https://edk2-docs.gitbooks.io/security-advisory/content/sw-smi-confused-deputy-smramsavestate_c.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQYVZRFEXSN3KS43AVH4D7QX553EZQYP/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
http://www.securityfocus.com/bid/107648
1694081 https://bugzilla.redhat.com/show_bug.cgi?id=1694081
cpe:2.3:a:tianocore:edk_ii:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:tianocore:edk_ii:-:*:*:*:*:*:*:*
CVE-2018-12182 https://nvd.nist.gov/vuln/detail/CVE-2018-12182
USN-6920-1 https://usn.ubuntu.com/6920-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12182.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12182
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12182
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.26389
EPSS Score 0.00095
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:20:39.673655+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12182.json 38.0.0