CVE-2016-8103

SMM call out in all Intel Branded NUC Kits allows a local privileged user to access the System Management Mode and take full control of the platform.

Published: 2016-12-08 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-8103 is rated Low Risk (34.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.31%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-8103

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.04% 0.31% +0.27%
2 2025-03-30 0.08% 0.04% -0.04%
3 2025-03-29 — 0.08% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-8103

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.7 3.0 MEDIUM
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 0.8 5.9 [email protected]
6.8 2.0 MEDIUM
AV:L/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.1 10.0 [email protected]

Weakness enumeration for CVE-2016-8103

Affected software / configurations for CVE-2016-8103

Vendor Product Version Raw CPE
intel city_bios <= ccsklm5v.86a cpe:2.3:o:intel:city_bios:*:*:*:*:*:*:*:*
intel canyon_bios <= kyskli70.86a cpe:2.3:o:intel:canyon_bios:*:*:*:*:*:*:*:*
intel canyon_bios <= pybwcel.86a cpe:2.3:o:intel:canyon_bios:*:*:*:*:*:*:*:*
intel city_bios ccsklm30.86a cpe:2.3:o:intel:city_bios:ccsklm30.86a:*:*:*:*:*:*:*
intel canyon_bios <= fybyt10h.86a cpe:2.3:o:intel:canyon_bios:*:*:*:*:*:*:*:*
intel city_bios <= ccsklm30.86a cpe:2.3:o:intel:city_bios:*:*:*:*:*:*:*:*
intel swift_canyon_bios <= syskli35.86a cpe:2.3:o:intel:swift_canyon_bios:*:*:*:*:*:*:*:*
intel citry_bios <= scchtax5.86a cpe:2.3:o:intel:citry_bios:*:*:*:*:*:*:*:*
intel canyon_bios <= mybdwi5v.86a cpe:2.3:o:intel:canyon_bios:*:*:*:*:*:*:*:*
intel canyon_bios <= mybdwi30.86a cpe:2.3:o:intel:canyon_bios:*:*:*:*:*:*:*:*
intel city_bios <= scchtax5.86a cpe:2.3:o:intel:city_bios:*:*:*:*:*:*:*:*
intel canyon_bios <= rybdwi35.86a cpe:2.3:o:intel:canyon_bios:*:*:*:*:*:*:*:*

References for CVE-2016-8103

cvelogic Threat Intelligence