Is CVE-2026-40449 in the CISA KEV catalog?

No. CVE-2026-40449 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-40449?

CVE-2026-40449 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2026-40449?

CVE-2026-40449 has an EPSS score of 0.14% (4th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40449?

Upgrade one to 1.30.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-40449

MEDIUM

6.6

CVSS v3

NVD

Description

Integer overflow in buffer size calculation could result in out of bounds memory access when handling large tensors in Samsung Open Source ONE. Affected version is prior to commit 1.30.0.

CWE-190Integer Overflow

How to fix

Remediation Available

oneNVD

Affected:< 1.30.0Fixed in:1.30.0CVE-2026-40449derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

Exploit Intelligence

0.14%probability of exploitation in 30 days

4thpercentile

Low risk: more likely to be exploited than 4% of all known CVEs.

References

Patch1

github.com

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

Embed a live status badge for CVE-2026-40449

Markdown

[![CVE-2026-40449](https://tridentstack.com/cve/badge/CVE-2026-40449.svg)](https://tridentstack.com/cve/CVE-2026-40449)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-40449"><img src="https://tridentstack.com/cve/badge/CVE-2026-40449.svg" alt="CVE-2026-40449"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-27.