CVE-2026-18626

EUVD-2026-84618
Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 5.0.0 before 5.1.*.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
RTICNA
6.8 MEDIUM
LOCAL
LOW
LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Base Score
CVSS 3.x
EPSS Score
Percentile: 4.15%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
rticonnext_professional
7.4.0 ≤
𝑥
< 7.7.0.1
CNA
rticonnext_professional
7.0.0 ≤
𝑥
< 7.3.1.6
CNA
rticonnext_professional
6.1.0 ≤
𝑥
< 6.2.0
CNA
rticonnext_professional
6.0.0 ≤
𝑥
< 6.1.0
CNA
rticonnext_professional
5.3.0 ≤
𝑥
< 5.4.0
CNA
rticonnext_professional
5.2.0 ≤
𝑥
< 5.3.0
CNA
rticonnext_professional
5.0.0 ≤
𝑥
< 5.2.0
CNA
Common Weakness Enumeration
References
https://www.rti.com/vulnerabilities/#cve-2026-18626