Improper input validation in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via…

published 2023-08-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38199

cvss: 8.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

Improper input validation in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access.

Patch / fix

links 1

intel.com/content/www/us/en/security-center/advisory/intel-sa-00917.… advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-10-09)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.2	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a Intel(R) NUC BIOS firmware
intel bios

Classification

Weakness

CWE-20 Improper Input Validation

References

intel.com /content/www/us/en/security-center/advisory/intel-sa-00917.html
patch, vendor-advisory

Sources

CVE List CVE-2023-34086
NVD CVE-2023-34086

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Summary