CVE-2026-30803

HIGH EPSS 19.3%

Published Jun 17, 20262w ago · Modified Jun 17, 20262w ago

8.8 CVSS 4.0

High

Published Jun 17, 2026 2w ago

Last Modified Jun 17, 2026 2w ago

Description

Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0.

CVSS Details

Base Score

8.8

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

19.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-191

References 1

rti.com https://www.rti.com/vulnerabilities/#cve-2026-30803

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.