CVE-2026-30802

8.8 HIGH 0.2% exploit odds Fix listed Memory safety

What it is

Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers. This issue affects Connext Micro: from 4.0.0 before 4.3.0, from 2.4.5 before 2.4.*.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-06-17 18:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-26 11:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-06-17 18:17 UTC
Last modified: 2026-10-26 11:10 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-125 · Out-of-bounds read
Record status: Modified

Affected

Rti Connext Micro < 4.3.0

Attack profile CVSS 4.0 · 8.8

Attack vector: Network
Complexity: Low
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: Low
Integrity: None
Availability: High

Raw vector

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

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Fix and advisories

https://www.rti.com/vulnerabilities/#cve-2026-30802

References

https://www.rti.com/vulnerabilities/#cve-2026-30802

NVD record · CVE.org record