How severe is CVE-2026-40449?

CVE-2026-40449 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2026-40449 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40449?

CVE-2026-40449 affects Samsung One. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40449?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-40449 have an EU (EUVD) identifier?

Yes. CVE-2026-40449 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24616.

When was CVE-2026-40449 published?

CVE-2026-40449 was published on 2026-04-22 and last updated on 2026-06-17.

CVE-2026-40449

CVE-2026-40449 is a medium-severity vulnerability in Samsung One with a CVSS 3.x base score of 6.6. 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-190.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24616
Weakness: CWE-190
Affected product: Samsung One
Published: 2026-04-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-40449?: 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.
How severe is CVE-2026-40449?: CVE-2026-40449 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2026-40449 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40449?: CVE-2026-40449 affects Samsung One. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40449?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40449 have an EU (EUVD) identifier?: Yes. CVE-2026-40449 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24616.
When was CVE-2026-40449 published?: CVE-2026-40449 was published on 2026-04-22 and last updated on 2026-06-17.

References

https://github.com/Samsung/ONE/pull/16481

Affected products (1)

cpe:2.3:a:samsung:one:*:*:*:*:*:*:*:*

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