How severe is CVE-2020-0526?

CVE-2020-0526 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-0526 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0526?

CVE-2020-0526 primarily affects Intel Nuc Kit Nuc8i7bek Firmware. In total, 70 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-0526?

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

When was CVE-2020-0526 published?

CVE-2020-0526 was published on 2020-03-12 and last updated on 2026-06-17.

CVE-2020-0526

CVE-2020-0526 is a medium-severity vulnerability in Intel Nuc Kit Nuc8i7bek Firmware with a CVSS 3.x base score of 6.7. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 4.6
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Nuc Kit Nuc8i7bek Firmware
Published: 2020-03-12
Last modified: 2026-06-17

Description

Improper input validation in firmware for Intel(R) NUC may allow a privileged user to potentially enable escalation of privilege via local access. The list of affected products is provided in intel-sa-00343: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00343.html

Frequently asked questions

What is CVE-2020-0526?: Improper input validation in firmware for Intel(R) NUC may allow a privileged user to potentially enable escalation of privilege via local access. The list of affected products is provided in intel-sa-00343: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00343.html
How severe is CVE-2020-0526?: CVE-2020-0526 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-0526 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0526?: CVE-2020-0526 primarily affects Intel Nuc Kit Nuc8i7bek Firmware. In total, 70 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-0526?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-0526 published?: CVE-2020-0526 was published on 2020-03-12 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00343.html

Affected products (70)

cpe:2.3:o:intel:nuc_kit_nuc8i7bek_firmware:becfl357.86a.0077:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_8_enthusiast_pc_nuc8i7bekqa_firmware:becfl357.86a.0077:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc8i7hnk_firmware:hnkbli70.86a.0059:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_8_business_pc_nuc8i7hnkqc_firmware:hnkbli70.86a.0059:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_8_mainstream-g_kit_nuc8i7inh_firmware:inwhl357.0036:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_8_mainstream-g_kit_nuc8i5inh_firmware:inwhl357.0036:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_8_mainstream-g_mini_pc_nuc8i7inh_firmware:inwhl357.0036:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_8_rugged_kit_nuc8cchkr_firmware:chaplcel.0047:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_board_nuc8cchb_firmware:chaplcel.0047:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_8_home_pc_nuc8i3cysm_firmware:cycnli35.86a.0044:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i7dnke_firmware:dnkbli7v.86a.0067:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i7dnhe_firmware:dnkbli7v.86a.0067:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i5dnke_firmware:dnkbli5v.86a.0067:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i5dnhe_firmware:dnkbli5v.86a.0067:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i3dnke_firmware:dnkbli30.86a.0067:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i3dnhe_firmware:dnkbli30.86a.0067:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_board_nuc7i7dnbe_firmware:dnkbli7v.86a.0067:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_board_nuc7i5dnbe_firmware:dnkbli5v.86a.0067:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_board_nuc7i3dnbe_firmware:dnkbli30.86a.0067:*:*:*:*:*:*:*
cpe:2.3:o:intel:compute_stick_stk2m3w64cc_firmware:ccsklm30.86a.0062:*:*:*:*:*:*:*
cpe:2.3:o:intel:compute_stick_stk2m364cc_firmware:ccsklm30.86a.0062:*:*:*:*:*:*:*
cpe:2.3:o:intel:compute_stick_stk1a32sc_firmware:sc0045:*:*:*:*:*:*:*
cpe:2.3:o:intel:compute_stick_stk1aw32sc_firmware:sc0045:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc6i7kyk_firmware:kyskli70.86a.0066:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_7_essential_pc_nuc7cjysal_firmware:jyglkcpx.86a.0053:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7cjyh_firmware:jyglkcpx.86a.0053:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7pjyh_firmware:jyglkcpx.86a.0053:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i7bnh_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i5bnk_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i3bnh_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i5bnh_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i3bnk_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i7bnhx1_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i5bnhx1_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7i3bnhx1_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_7_enthusiast_pc_nuc7i7bnhxg_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_7_home_a_mini_pc_nuc7i5bnhxf_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_7_home_a_mini_pc_nuc7i3bnhxf_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_7_home_a_mini_pc_nuc7i5bnkp_firmware:bnkbl357.86a.0081:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc6cays_firmware:ayaplcel.86a.0066:*:*:*:*:*:*:*

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