Race condition in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local acces…

published 2023-08-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38514

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits: 0; none known

Race condition 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

Exploit prediction

0.10% chance of exploitation in the next 30 days, higher than 1% 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:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

n/a Intel(R) NUC BIOS firmware

Classification

Weakness

CWE-421 Race Condition During Access to Alternate Channel
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

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

Sources

CVE List CVE-2023-34438
NVD CVE-2023-34438

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary