What is CVE-2026-40450?

CVE-2026-40450 is a medium-severity vulnerability in Samsung One, classified under Integer Overflow or Wraparound. CVSS score: 6.6/10. Published 2026-04-22.

How severe is CVE-2026-40450?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Integer overflow in Samsung One

CVE-2026-40450

Integer overflow in output tensor copy size calculation in Samsung Open Source ONE could cause incorrect copy length and memory corruption for oversized tensors. Affected version is prior to commit 1.30.0.

Vulnerability class: Integer Overflow

Published 2026-04-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Samsung One
Samsung Open Source One — versions 1.30.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/Samsung/ONE/pull/16481 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-40450?: CVE-2026-40450 is a medium-severity vulnerability in Samsung One, classified under Integer Overflow or Wraparound. CVSS score: 6.6/10. Published 2026-04-22.
How severe is CVE-2026-40450?: Medium severity. CVSS v3 base score is 6.6 out of 10.