CVE-2026-30803highCWE-191

CVE-2026-30803: high-severity vulnerability in RTI Connext Micro

Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 0.3%
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
RTI · Connext Micro
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CVE-2021-38487HIGHPotential Network Amplification and Information Exposure in RTI Connext Professional and Connext MicroEPSS 3.4%CVE-2026-30802HIGHOut-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.EPSS 0.2%