CVE-2023-40540

mediumpriority · track · 18EPSS 0.002 · 11 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.21% (11th) EPSS

CVSS 4.4 · medium

Is it mine?

58 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 0.8 · impact 3.6

v3.14.1mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.14.1mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:Nsecondary · secure@intel.comexploitability 0.5 · impact 3.6

v3.14.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1303US

affected products (58)

Products and version ranges known to be affected.

Intel Firmware NUC BIOSall versionscert_bundDEcpe:/a:intel:firmware:nuc_bios
n/a Intel(R) NUC BIOS firmware≤ some Intel(R) NUC BIOS firmwareenisa_euvdEU
intel nuc 11 enthusiast kit nuc11phki7c firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_enthusiast_kit_nuc11phki7c_firmware:*:*:*:*:*:*:*:*
intel nuc 11 enthusiast mini pc nuc11phki7caa firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_enthusiast_mini_pc_nuc11phki7caa_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance kit nuc11pahi3 firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi3_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance kit nuc11pahi30z firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi30z_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance kit nuc11pahi5 firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi5_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance kit nuc11pahi50z firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi50z_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance kit nuc11pahi7 firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi7_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance kit nuc11pahi70z firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi70z_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance kit nuc11paki3 firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_kit_nuc11paki3_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance kit nuc11paki5 firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_kit_nuc11paki5_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance kit nuc11paki7 firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_kit_nuc11paki7_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance mini pc nuc11paqi50wa firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_mini_pc_nuc11paqi50wa_firmware:*:*:*:*:*:*:*:*
intel nuc 11 performance mini pc nuc11paqi70qa firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_performance_mini_pc_nuc11paqi70qa_firmware:*:*:*:*:*:*:*:*
intel nuc 11 pro board nuc11tnbi3 firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi3_firmware:*:*:*:*:*:*:*:*
intel nuc 11 pro board nuc11tnbi30z firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi30z_firmware:*:*:*:*:*:*:*:*
intel nuc 11 pro board nuc11tnbi5 firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi5_firmware:*:*:*:*:*:*:*:*
intel nuc 11 pro board nuc11tnbi50z firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi50z_firmware:*:*:*:*:*:*:*:*
intel nuc 11 pro board nuc11tnbi7 firmwareall versionsnvdUScpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi7_firmware:*:*:*:*:*:*:*:*

showing 20 of 58

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2907Intel NUC Firmware: Mehrere SchwachstellenDeutsch2023-11-14csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Intel NUC BIOS firmware ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode auszuführen oder Informationen offenzulegen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2023-11-14modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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