Is CVE-2026-2394 in the CISA KEV catalog?

No. CVE-2026-2394 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-2394?

CVE-2026-2394 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2026-2394?

CVE-2026-2394 has an EPSS score of 0.16% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-2394?

Upgrade connext professional to 7.7.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-2394

MEDIUM

6.5

CVSS v3

NVD

Description

Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 4.3x before 5.2.*.

CWE-126Buffer Over-read CWE-125Out-of-bounds Read

How to fix

Remediation Available

connext professionalNVD

Affected:>= 7.4.0, < 7.7.0Fixed in:7.7.0CVE-2026-2394derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.16%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Vendor Advisory1

rti.com

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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 2026-06-17.