CVE-2022-40246
CVE-2022-40246 is a high-severity vulnerability in Intel Nuc M15 Laptop Kit Lapbc510 Firmware with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Intel Nuc M15 Laptop Kit Lapbc510 Firmware
- Published:
- Last modified:
Description
A potential attacker can write one byte by arbitrary address at the time of the PEI phase (only during S3 resume boot mode) and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines (VMs) and bypassing memory isolation and confidential computing boundaries. Additionally, an attacker can build a payload which can be injected into the SMRAM memory. This issue affects: Module name: SbPei SHA256: d827182e5f9b7a9ff0b9d3e232f7cfac43b5237e2681e11f005be627a49283a9 Module GUID: c1fbd624-27ea-40d1-aa48-94c3dc5c7e0d
Frequently asked questions
- What is CVE-2022-40246?
- A potential attacker can write one byte by arbitrary address at the time of the PEI phase (only during S3 resume boot mode) and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines (VMs) and bypassing memory isolation and confidential computing boundaries. Additionally, an attacker can build a payload which can be injected into the SMRAM memory. This issue affects: Module name: SbPei SHA256: d827182e5f9b7a9ff0b9d3e232f7cfac43b5237e2681e11f005be627a49283a9 Module GUID: c1fbd624-27ea-40d1-aa48-94c3dc5c7e0d
- How severe is CVE-2022-40246?
- CVE-2022-40246 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over physical access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-40246 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-40246?
- CVE-2022-40246 primarily affects Intel Nuc M15 Laptop Kit Lapbc510 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-40246?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-40246 published?
- CVE-2022-40246 was published on 2022-09-20 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:intel:nuc_m15_laptop_kit_lapbc510_firmware:0072:*:*:*:*:*:*:*
- cpe:2.3:o:intel:nuc_m15_laptop_kit_lapbc710_firmware:0072:*:*:*:*:*:*:*
More vulnerabilities in Intel Nuc M15 Laptop Kit Lapbc510 Firmware
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- 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…
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