CVE-2026-18457CWE-122

CVE-2026-18457

published September 22, 2026

CVSS
8.3
EPSS
0%
Percentile
16.4
In the wild
Unconfirmed
What it is

Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow 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 5.2.3 before 5.2.*.

The record
Technical detail
CVSS
8.3 · NONE
CVSS v4.0
8.3 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00257 · 16.4th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-22T22:17Z
References (1)
https://www.rti.com/vulnerabilities/#cve-2026-18457 · 3f572a00-62e2-4423-959a-7ea25eff1638
EPSS history
Timeline
  • 24 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 22 SEP 17:50Z
    Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers.
    cvelistv5