Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged…
Priority LOW 23CWE-92Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00206 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Intel(R) NUC BIOS firmware | See references | — | No fix listed | CNA |
- Intel(R) NUC BIOS firmware Vendor— Affected See references Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:intel:nuc6cayh_firmware:*:*:*:*:*:*:*:* | before ayaplcel.86a.0076 | Vulnerable | Intel |
| cpe:2.3:h:intel:nuc6cayh:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:nuc6cays_firmware:*:*:*:*:*:*:*:* | before ayaplcel.86a.0076 | Vulnerable | Intel |
| cpe:2.3:h:intel:nuc6cays:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
- cpe:2.3:o:intel:nuc6cayh_firmware:*:*:*:*:*:*:*:* Versions before ayaplcel.86a.0076 Vulnerable ·Intel
- cpe:2.3:h:intel:nuc6cayh:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:nuc6cays_firmware:*:*:*:*:*:*:*:* Versions before ayaplcel.86a.0076 Vulnerable ·Intel
- cpe:2.3:h:intel:nuc6cays:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-40220
- 2026-10-03 Alias added: GHSA-xmm7-2j6p-p24v
References
More Intel Nuc6cayh Firmware vulnerabilities
- TI-2020-07007 Improper input validation in Intel NUCs Advisory CVSS 3.1MEDIUM 6.7
Sources
- CVE-2023-40220 · CVE Program
- CVE-2023-40220 · NVD
- FIRST EPSS
- GHSA-xmm7-2j6p-p24v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences