PatchTheCVEconnext micro vulnerabilities and fixes
Recent CVEs affecting connext micro, with upgrade or downgrade steps. 2 tracked.
Also searched as: connextmicro.
connext micro has 2 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-06-17. Highest priority: CVE-2026-30803 (score 42/100).
- CVE-2026-30803 CRITICAL 9.1 UPGRADE Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buf
- CVE-2026-30802 HIGH 8.2 UPGRADE Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers
FAQ
How do I fix connext micro vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is connext micro being exploited right now?
None of the tracked connext micro CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which connext micro CVE should I patch first?
CVE-2026-30803 currently ranks highest (42/100): Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buf.