What’s Vulnerable › Vulnerabilities

CVE-2023-40220

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-14 · updated 2026-06-17
• Weakness: CWE-92

Description

Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.

Affected products

• Intel Nuc6Cayh Firmware: before ayaplcel.86a.0076 — fixed in ayaplcel.86a.0076
• Intel Nuc6Cays Firmware: before ayaplcel.86a.0076 — fixed in ayaplcel.86a.0076

How to fix

Upgrade to a fixed version: Intel Nuc6Cayh Firmware ayaplcel.86a.0076; Intel Nuc6Cays Firmware ayaplcel.86a.0076. Check the vendor advisory for mitigations.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html

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