How severe is CVE-2026-26738?

CVE-2026-26738 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26738?

CVE-2026-26738 affects Uderzo Spacesniffer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26738?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26738 have an EU (EUVD) identifier?

Yes. CVE-2026-26738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10509.

When was CVE-2026-26738 published?

CVE-2026-26738 was published on 2026-03-10 and last updated on 2026-06-17.

CVE-2026-26738

CVE-2026-26738 is a high-severity vulnerability in Uderzo Spacesniffer with a CVSS 3.x base score of 7.8. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10509
Weakness: CWE-121
Affected product: Uderzo Spacesniffer
Published: 2026-03-10
Last modified: 2026-06-17

Description

Buffer Overflow vulnerability in Uderzo Software SpaceSniffer v.2.0.5.18 allows a remote attacker to execute arbitrary code via a crafted .sns snapshot file.

Frequently asked questions

What is CVE-2026-26738?: Buffer Overflow vulnerability in Uderzo Software SpaceSniffer v.2.0.5.18 allows a remote attacker to execute arbitrary code via a crafted .sns snapshot file.
How severe is CVE-2026-26738?: CVE-2026-26738 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26738?: CVE-2026-26738 affects Uderzo Spacesniffer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26738 have an EU (EUVD) identifier?: Yes. CVE-2026-26738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10509.
When was CVE-2026-26738 published?: CVE-2026-26738 was published on 2026-03-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:uderzo:spacesniffer:2.0.5.18:*:*:*:*:*:*:*

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