Improper buffer restrictions in some Intel NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via…

published 2024-01-19 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-46881

cvss: 7.5; 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 4%
public exploits: 0; none known

Improper buffer restrictions in some Intel NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-01-23)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a Intel NUC BIOS firmware

Classification

Weakness

CWE-92 DEPRECATED: Improper Sanitization of Custom Special Characters

References

intel.com /content/www/us/en/security-center/advisory/intel-sa-01028.html
vendor-advisory

Sources

CVE List CVE-2023-42429
NVD CVE-2023-42429

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Summary