How severe is CVE-2026-40447?

CVE-2026-40447 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-40447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40447?

CVE-2026-40447 affects Samsung Escargot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40447?

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

Does CVE-2026-40447 have an EU (EUVD) identifier?

Yes. CVE-2026-40447 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21873.

When was CVE-2026-40447 published?

CVE-2026-40447 was published on 2026-04-13 and last updated on 2026-06-17.

CVE-2026-40447

CVE-2026-40447 is a medium-severity vulnerability in Samsung Escargot with a CVSS 3.x base score of 5.1. 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 5.1)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21873
Weakness: CWE-190
Affected product: Samsung Escargot
Published: 2026-04-13
Last modified: 2026-06-17

Description

Integer overflow or wraparound vulnerability in Samsung Open Source Escargot allows undefined behavior.This issue affects Escargot: 97e8115ab1110bc502b4b5e4a0c689a71520d335.

Frequently asked questions

What is CVE-2026-40447?: Integer overflow or wraparound vulnerability in Samsung Open Source Escargot allows undefined behavior.This issue affects Escargot: 97e8115ab1110bc502b4b5e4a0c689a71520d335.
How severe is CVE-2026-40447?: CVE-2026-40447 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-40447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40447?: CVE-2026-40447 affects Samsung Escargot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40447 have an EU (EUVD) identifier?: Yes. CVE-2026-40447 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21873.
When was CVE-2026-40447 published?: CVE-2026-40447 was published on 2026-04-13 and last updated on 2026-06-17.

References

https://github.com/Samsung/escargot/pull/1554

Affected products (1)

cpe:2.3:a:samsung:escargot:2026-03-28:*:*:*:*:*:*:*

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