CVE-2026-26738

HIGHNVD 7.87.8—Elevated

7.8

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.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 24.9%
KEV: Not listed

Published

March 10, 2026

Last Modified

May 21, 2026

References (3)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-121Stack-based Buffer Overflow

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 16:59 UTCepss_batch
2026-05-23 15:21 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-21 18:45 UTCEG score recompute
2026-05-21 18:45 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-26738?

CVE-2026-26738 is a high vulnerability published on March 10, 2026. 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.

When was CVE-2026-26738 disclosed?

CVE-2026-26738 was first published in the National Vulnerability Database on March 10, 2026, with the most recent update on May 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-26738 actively exploited?

CVE-2026-26738 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-26738?

CVE-2026-26738 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2026-26738?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-26738, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-26738

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-26738?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (3)

Frequently asked(5)

Related CVEs(same CWE)