CVE-2023-40540

CVE-2023-40540 is a medium-severity vulnerability in Intel Nuc 11 Pro Kit Nuc11tnkv50z Firmware with a CVSS 3.x base score of 4.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1303.

Key facts

• Severity: Medium (CVSS 3.x base score 4.1)
• EPSS exploit prediction: 0% (11th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-1303
• Affected product: Intel Nuc 11 Pro Kit Nuc11tnkv50z Firmware
• Published: 2023-11-14
• Last modified: 2026-06-17

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.

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 3.x base score of 4.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-40540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40540?

CVE-2023-40540 primarily affects Intel Nuc 11 Pro Kit Nuc11tnkv50z Firmware. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-40540?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-40540 published?

CVE-2023-40540 was published on 2023-11-14 and last updated on 2026-06-17.

References

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

Affected products (56)

• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnkv50z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhv70l_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhv50l_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbv7_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnkv5_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnkv7_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhv5_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_mini_pc_nuc11tnkv5_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_mini_pc_nuc11tnkv7_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhv7_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbv5_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_9_extreme_laptop_kit_lapqc71b_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_9_extreme_laptop_kit_lapqc71d_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_9_extreme_laptop_kit_lapqc71c_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_9_extreme_laptop_kit_lapqc71a_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_enthusiast_kit_nuc11phki7c_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_enthusiast_mini_pc_nuc11phki7caa_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi70z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki70z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki30z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi30z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki50z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi50z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi30z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi50z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi70z_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi3_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi5_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi7_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki3_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki5_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi3_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi5_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi7_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi50w_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi50l_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi30l_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi70q_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi30p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi70l_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Nuc 11 Pro Kit Nuc11tnkv50z Firmware

• CVE-2023-22312 — High (CVSS 7.2): Improper access control for some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable…
• CVE-2023-22444 — Medium (CVSS 6.0): Improper initialization in some Intel(R) NUC 13 Extreme Compute Element, Intel(R) NUC 13 Extreme Kit, Intel(R) NUC 11…

All CVEs affecting Intel Nuc 11 Pro Kit Nuc11tnkv50z Firmware →

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