CVE-2026-14607

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory published 2026-07-03. a secondary CVSS source baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A weakness has been identified in RT-Thread up to 5.0.2. This affects the function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. Executing a manipulation of the argument ai_addr can lead to memory corruption. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.

CVSS v3
5.5
EG Score
5.5(high)
EPSS
2.1%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 6, 2026

Advisory Details (3)

Auto-updated Jul 3, 2026
No patch confirmed yet. Sources: github_pr.
github_pr

Harden `sys_getaddrinfo` user-pointer handling for nested `ai_addr` writes

Upstream fix in progress (PR #11454 · RT-Thread/rt-thread, state=open)

https://github.com/RT-Thread/rt-thread/pull/11454
generic

[Bug] Security-related Bug: sys_getaddrinfo trusts nested user pointer and can write outside validated user memory · Issue #11428 · RT-Thread/rt-thread · GitHub

https://github.com/RT-Thread/rt-thread/issues/11428
generic

GitHub - RT-Thread/rt-thread: RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/ · GitHub

https://github.com/RT-Thread/rt-thread/

Vendor Advisories for CVE-2026-14607(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 14× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 19:57 UTCEG score recompute
  2. 2026-07-06 19:57 UTCGHSA enrichment
  3. 2026-07-06 18:21 UTCNVD updateCVSS v4 → 5.4
  4. 2026-07-06 16:41 UTCMITRE cvelistV5CVSS v4 → 6.8
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 20:06 UTCEG score recompute
  8. 2026-07-05 20:06 UTCGHSA enrichment
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 20:17 UTCEG score recompute
  12. 2026-07-04 20:17 UTCGHSA enrichment
  13. 2026-07-03 20:27 UTCEG score recompute
  14. 2026-07-03 20:27 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-14607?
CVE-2026-14607 is a medium vulnerability published on July 3, 2026. A weakness has been identified in RT-Thread up to 5.0.2. This affects the function sysgetaddrinfo of the file components/lwp/lwpsyscall.c. Executing a manipulation of the argument ai_addr can lead to memory corruption. The attack can only be executed locally. The exploit has been made available to…
When was CVE-2026-14607 disclosed?
CVE-2026-14607 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14607 actively exploited?
CVE-2026-14607 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-14607?
CVE-2026-14607 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-14607?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14607, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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