# CVE-2023-40540

## Summary

- **CVE ID:** CVE-2023-40540
- **Severity:** MEDIUM
- **CVSS Score:** 4.1 (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** CWE-1303
- **Published:** Nov 14, 2023
- **Last Modified:** Mar 13, 2026

## Description

Non-Transparent Sharing of Microarchitectural Resources in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.

## Affected Products

- n/a — Intel(R) NUC BIOS firmware (some Intel(R) NUC BIOS firmware)

## References

- [CNA](https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.06%
- **EPSS Percentile:** 17.9

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._