HIGH

CVE-2026-18414

CVSS v3

7.8

HIGH

EPSS Score

0.1 %

exploit probability, as of 2026-09-29

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

The ADC API requires each driver to reject a sampling sequence whose destination buffer is too small: the buffer_size field of struct adc_sequence in include/zephyr/drivers/adc.h documents that "the driver must ensure that samples are not written beyond the limit and it must return an error if the buffer turns out to be not large enough". The ADI MAX32 driver did not honour that contract. start_read() in drivers/adc/adc_max32.c compared buffer_size, a byte count, against a sample count ((1 + ext

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2026-09-28
Last Modified: 2026-09-28

Frequently asked questions

What is CVE-2026-18414?

Is CVE-2026-18414 actively exploited?

Active exploitation of CVE-2026-18414 has not been confirmed. Its EPSS score was 0.1% on 2026-09-29, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-18414?

CVE-2026-18414 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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