VulnerabilityAwaiting Analysis

CVE-2026-18626

Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.

MEDIUM 6.8EPSS 0.15%

Does this matter?

Lower severity and a low EPSS score (0.15%). Track it; it rarely justifies an emergency change on its own.

Description

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.*.

CVSS 4.0: 6.8 MEDIUMCVSS: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/M
EPSS: 0.15% probability · 4th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-125
Source: 3f572a00-62e2-4423-959a-7ea25eff1638

EPSS trend

EPSS moved from 0.1% on 23 September 2026 to 0.1% on 26 October 2026.

References

https://www.rti.com/vulnerabilities/#cve-2026-18626

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.