CVE-2023-40540

Name: CVE-2023-40540
Creator: NVD / NIST
Published: 2023-11-14T19:15:30.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2023-40540 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.4/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.21%

10.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1303

Affected Software

Vendor	Product	Versions
Intel	Nuc 11 Pro Kit Nuc11tnkv50z Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhv70l Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhv50l Firmware	All versions
Intel	Nuc 11 Pro Board Nuc11tnbv7 Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnkv5 Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnkv7 Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhv5 Firmware	All versions
Intel	Nuc 11 Pro Mini Pc Nuc11tnkv5 Firmware	All versions
Intel	Nuc 11 Pro Mini Pc Nuc11tnkv7 Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhv7 Firmware	All versions
Intel	Nuc 11 Pro Board Nuc11tnbv5 Firmware	All versions
Intel	Nuc 9 Extreme Laptop Kit Lapqc71b Firmware	All versions
Intel	Nuc 9 Extreme Laptop Kit Lapqc71d Firmware	All versions
Intel	Nuc 9 Extreme Laptop Kit Lapqc71c Firmware	All versions
Intel	Nuc 9 Extreme Laptop Kit Lapqc71a Firmware	All versions
Intel	Nuc 11 Enthusiast Kit Nuc11phki7c Firmware	All versions
Intel	Nuc 11 Enthusiast Mini Pc Nuc11phki7caa Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi70z Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnki70z Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnki30z Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi30z Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnki50z Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi50z Firmware	All versions
Intel	Nuc 11 Pro Board Nuc11tnbi30z Firmware	All versions
Intel	Nuc 11 Pro Board Nuc11tnbi50z Firmware	All versions
Intel	Nuc 11 Pro Board Nuc11tnbi70z Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi3 Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi5 Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi7 Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnki3 Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnki5 Firmware	All versions
Intel	Nuc 11 Pro Board Nuc11tnbi3 Firmware	All versions
Intel	Nuc 11 Pro Board Nuc11tnbi5 Firmware	All versions
Intel	Nuc 11 Pro Board Nuc11tnbi7 Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi50w Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi50l Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi30l Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi70q Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi30p Firmware	All versions
Intel	Nuc 11 Pro Kit Nuc11tnhi70l Firmware	All versions
Intel	Nuc X15 Laptop Kit Lapkc71f Firmware	All versions
Intel	Nuc X15 Laptop Kit Lapkc71e Firmware	All versions
Intel	Nuc X15 Laptop Kit Lapkc51e Firmware	All versions
Intel	Nuc M15 Laptop Kit Lapbc710 Firmware	All versions
Intel	Nuc M15 Laptop Kit Lapbc510 Firmware	All versions
Intel	Nuc 11 Performance Kit Nuc11pahi70z Firmware	All versions
Intel	Nuc 11 Performance Kit Nuc11pahi50z Firmware	All versions
Intel	Nuc 11 Performance Kit Nuc11pahi30z Firmware	All versions
Intel	Nuc 11 Performance Kit Nuc11pahi3 Firmware	All versions
Intel	Nuc 11 Performance Kit Nuc11pahi5 Firmware	All versions

Showing 50 of 56 affected configurations. See NVD for the full list.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.htmlPatch, Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.htmlPatch, Vendor Advisory

Timeline

Published: Nov 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40540?

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.

How severe is CVE-2023-40540?

CVE-2023-40540 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40540?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40540?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST