How severe is CVE-2021-33086?

CVE-2021-33086 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-33086 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-2021-33086?

CVE-2021-33086 primarily affects Intel Nuc M15 Laptop Kit Lapbc510 Firmware. In total, 103 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33086?

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

When was CVE-2021-33086 published?

CVE-2021-33086 was published on 2021-11-17 and last updated on 2026-06-17.

CVE-2021-33086

CVE-2021-33086 is a medium-severity vulnerability in Intel Nuc M15 Laptop Kit Lapbc510 Firmware with a CVSS 3.x base score of 5.5. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Intel Nuc M15 Laptop Kit Lapbc510 Firmware
Published: 2021-11-17
Last modified: 2026-06-17

Description

Out-of-bounds write in firmware for some Intel(R) NUCs may allow an authenticated user to potentially enable denial of service via local access.

Frequently asked questions

What is CVE-2021-33086?: Out-of-bounds write in firmware for some Intel(R) NUCs may allow an authenticated user to potentially enable denial of service via local access.
How severe is CVE-2021-33086?: CVE-2021-33086 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-33086 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-2021-33086?: CVE-2021-33086 primarily affects Intel Nuc M15 Laptop Kit Lapbc510 Firmware. In total, 103 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33086?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33086 published?: CVE-2021-33086 was published on 2021-11-17 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00567.html

Affected products (103)

cpe:2.3:o:intel:nuc_m15_laptop_kit_lapbc510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_m15_laptop_kit_lapbc710_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_compute_element_cm11ebc4w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_compute_element_cm11ebi38w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_compute_element_cm11ebi58w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_compute_element_cm11ebi716w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_performance_kit_nuc11paki3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_performance_kit_nuc11paki5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_performance_kit_nuc11paki7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_performance_mini_pc_nuc11paqi50wa_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_performance_mini_pc_nuc11paqi70qa_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_nuc11tnhi3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi30l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi30p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi50l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi50w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi70l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi70q_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_kit_nuc11tnki7_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_10_performance_kit_nuc10i3fnh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_10_performance_kit_nuc10i3fnhf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_10_performance_kit_nuc10i3fnk_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_10_performance_kit_nuc10i5fnh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_10_performance_kit_nuc10i5fnhf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_10_performance_kit_nuc10i5fnhj_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_10_performance_kit_nuc10i5fnk_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_10_performance_kit_nuc10i5fnkp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_10_performance_kit_nuc10i7fnh_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Intel Nuc M15 Laptop Kit Lapbc510 Firmware

CVE-2022-40250 — High (CVSS 8.8): An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in…
CVE-2022-40261 — High (CVSS 8.2): An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in…
CVE-2022-26873 — High (CVSS 8.2): A potential attacker can execute an arbitrary code at the time of the PEI phase and influence the subsequent boot…
CVE-2022-32569 — High (CVSS 7.5): Improper buffer restrictions in BIOS firmware for some Intel(R) NUC M15 Laptop Kits before version BCTGL357.0074 may…
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-2022-40246 — High (CVSS 7.2): A potential attacker can write one byte by arbitrary address at the time of the PEI phase (only during S3 resume boot…

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