CVE-2026-18461

9.2 criticalEPSS 0.3%

Critical (9.2). EPSS 0.3% chance of exploitation in the next 30 days.

Use of Externally-Controlled Format String vulnerability in RTI Connext Professional (Core Libraries) allows Format String Injection. This issue affects Connext Professional: from 7.5.0 before 7.7.0.1, from 7.3.0.10 before 7.3.1.6.

Severity

CVSS 4.0

9.2 critical

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-134
Published: 2026-09-22
Modified: 2026-09-22
Record from: the NVD, synced 2026-10-19

References

https://www.rti.com/vulnerabilities/#cve-2026-18461

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