{"cve":"CVE-2023-40540","nvd":{"published":"2023-11-14T19:15:30.690","modified":"2026-06-17T06:18:22.183","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","score":4.4},"cwes":["CWE-1303"],"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"],"products":["intel:nuc_11_enthusiast_kit_nuc11phki7c_firmware","intel:nuc_11_enthusiast_mini_pc_nuc11phki7caa_firmware","intel:nuc_11_performance_kit_nuc11pahi30z_firmware","intel:nuc_11_performance_kit_nuc11pahi3_firmware","intel:nuc_11_performance_kit_nuc11pahi50z_firmware","intel:nuc_11_performance_kit_nuc11pahi5_firmware","intel:nuc_11_performance_kit_nuc11pahi70z_firmware","intel:nuc_11_performance_kit_nuc11pahi7_firmware","intel:nuc_11_performance_kit_nuc11paki3_firmware","intel:nuc_11_performance_kit_nuc11paki5_firmware","intel:nuc_11_performance_kit_nuc11paki7_firmware","intel:nuc_11_performance_mini_pc_nuc11paqi50wa_firmware","intel:nuc_11_performance_mini_pc_nuc11paqi70qa_firmware","intel:nuc_11_pro_board_nuc11tnbi30z_firmware","intel:nuc_11_pro_board_nuc11tnbi3_firmware","intel:nuc_11_pro_board_nuc11tnbi50z_firmware","intel:nuc_11_pro_board_nuc11tnbi5_firmware","intel:nuc_11_pro_board_nuc11tnbi70z_firmware","intel:nuc_11_pro_board_nuc11tnbi7_firmware","intel:nuc_11_pro_board_nuc11tnbv5_firmware","intel:nuc_11_pro_board_nuc11tnbv7_firmware","intel:nuc_11_pro_kit_nuc11tnhi30l_firmware","intel:nuc_11_pro_kit_nuc11tnhi30p_firmware","intel:nuc_11_pro_kit_nuc11tnhi30z_firmware","intel:nuc_11_pro_kit_nuc11tnhi3_firmware","intel:nuc_11_pro_kit_nuc11tnhi50l_firmware","intel:nuc_11_pro_kit_nuc11tnhi50w_firmware","intel:nuc_11_pro_kit_nuc11tnhi50z_firmware","intel:nuc_11_pro_kit_nuc11tnhi5_firmware","intel:nuc_11_pro_kit_nuc11tnhi70l_firmware","intel:nuc_11_pro_kit_nuc11tnhi70q_firmware","intel:nuc_11_pro_kit_nuc11tnhi70z_firmware","intel:nuc_11_pro_kit_nuc11tnhi7_firmware","intel:nuc_11_pro_kit_nuc11tnhv50l_firmware","intel:nuc_11_pro_kit_nuc11tnhv5_firmware","intel:nuc_11_pro_kit_nuc11tnhv70l_firmware","intel:nuc_11_pro_kit_nuc11tnhv7_firmware","intel:nuc_11_pro_kit_nuc11tnki30z_firmware","intel:nuc_11_pro_kit_nuc11tnki3_firmware","intel:nuc_11_pro_kit_nuc11tnki50z_firmware","intel:nuc_11_pro_kit_nuc11tnki5_firmware","intel:nuc_11_pro_kit_nuc11tnki70z_firmware","intel:nuc_11_pro_kit_nuc11tnkv50z_firmware","intel:nuc_11_pro_kit_nuc11tnkv5_firmware","intel:nuc_11_pro_kit_nuc11tnkv7_firmware","intel:nuc_11_pro_mini_pc_nuc11tnkv5_firmware","intel:nuc_11_pro_mini_pc_nuc11tnkv7_firmware","intel:nuc_9_extreme_laptop_kit_lapqc71a_firmware","intel:nuc_9_extreme_laptop_kit_lapqc71b_firmware","intel:nuc_9_extreme_laptop_kit_lapqc71c_firmware"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2023-40540","score":0.00206,"percentile":0.10689,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}