This vulnerability (CVE-2026-30802) involves an out-of-bounds read (CWE-125) in RTI Connext Micro Core Libraries, specifically affecting version 4.0.0. The flaw allows an attacker to read memory beyond the intended buffer limits, which can lead to overread conditions. The CVSS 4.0 vector indicates the vulnerability is remotely exploitable without authentication or user interaction, with high impact on confidentiality. No vendor advisory or patch information is provided, and the remediation level is unknown.

An attacker can exploit this vulnerability remotely without authentication or user interaction to read memory beyond buffer boundaries. This can result in unauthorized disclosure of sensitive information or cause application instability. The vulnerability is rated high severity with a CVSS score of 8.8, reflecting significant confidentiality impact and ease of exploitation.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation is provided, users should monitor RTI's advisories for updates. Until a patch is available, consider restricting network exposure of affected versions if feasible.