What is CVE-2026-43087?

CVE-2026-43087 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-06.

How severe is CVE-2026-43087?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-43087

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mcp23s08: Disable all pin interrupts during probe A chip being probed may have the interrupt-on-change feature enabled on some of its pins, for example after a…

EPSS: 0.000 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions f9f4fda15e720686f1b2b436591ab11255e4e85e, 6.19, 0
Linux Linux_kernel — versions 6.19, 7.0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-43087?: CVE-2026-43087 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-06.
How severe is CVE-2026-43087?: Medium severity. CVSS v3 base score is 5.5 out of 10.