CVE-2026-14607

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM 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 — 3 sources updated this weekElevated
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: Elevated riskExposed: 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(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
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 8× in last 7d / 53× 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.

Showing the most recent 100 of 141 total refreshes for this CVE.

  1. 2026-09-11 14:52 UTCEPSS rescore
  2. 2026-09-11 09:36 UTCEPSS rescore
  3. 2026-09-10 09:34 UTCEPSS rescore
  4. 2026-09-08 22:00 UTCEPSS rescore
  5. 2026-09-07 16:01 UTCEPSS rescore
  6. 2026-09-06 13:47 UTCEPSS rescore
  7. 2026-09-05 23:44 UTCEG score recompute
  8. 2026-09-05 23:44 UTCGHSA enrichment
  9. 2026-09-04 05:06 UTCEPSS rescore
  10. 2026-09-02 14:11 UTCEPSS rescore
  11. 2026-09-01 13:53 UTCEPSS rescore
  12. 2026-09-01 04:39 UTCEPSS rescore
  13. 2026-08-30 19:17 UTCEPSS rescore
  14. 2026-08-30 11:18 UTCEG score recompute
  15. 2026-08-30 11:18 UTCGHSA enrichment
  16. 2026-08-30 01:22 UTCEPSS rescore
  17. 2026-08-28 21:41 UTCEPSS rescore
  18. 2026-08-27 22:12 UTCEG score recompute
  19. 2026-08-27 22:12 UTCGHSA enrichment
  20. 2026-08-27 14:25 UTCEPSS rescore
  21. 2026-08-26 14:46 UTCEPSS rescore
  22. 2026-08-26 14:32 UTCEG score recompute
  23. 2026-08-26 14:32 UTCGHSA enrichment
  24. 2026-08-25 13:48 UTCEPSS rescore
  25. 2026-08-25 05:26 UTCEG score recompute
Show 75 more
  1. 2026-08-25 05:26 UTCGHSA enrichment
  2. 2026-08-24 05:36 UTCGHSA enrichment
  3. 2026-08-23 05:46 UTCEG score recompute
  4. 2026-08-23 05:45 UTCGHSA enrichment
  5. 2026-08-23 00:19 UTCEPSS rescore
  6. 2026-08-22 05:55 UTCGHSA enrichment
  7. 2026-08-21 04:25 UTCEG score recompute
  8. 2026-08-21 04:25 UTCGHSA enrichment
  9. 2026-08-20 22:55 UTCEPSS rescore
  10. 2026-08-20 03:42 UTCEG score recompute
  11. 2026-08-20 03:42 UTCGHSA enrichment
  12. 2026-08-19 17:03 UTCEPSS rescore
  13. 2026-08-18 20:52 UTCEG score recompute
  14. 2026-08-18 20:52 UTCGHSA enrichment
  15. 2026-08-18 13:48 UTCEPSS rescore
  16. 2026-08-17 13:56 UTCEG score recompute
  17. 2026-08-17 13:56 UTCGHSA enrichment
  18. 2026-08-16 14:56 UTCEPSS rescore
  19. 2026-08-16 14:07 UTCEG score recompute
  20. 2026-08-16 14:07 UTCGHSA enrichment
  21. 2026-08-16 02:14 UTCEPSS rescore
  22. 2026-08-15 14:18 UTCEG score recompute
  23. 2026-08-15 14:18 UTCGHSA enrichment
  24. 2026-08-15 01:30 UTCEPSS rescore
  25. 2026-08-14 14:29 UTCEG score recompute
  26. 2026-08-14 14:29 UTCGHSA enrichment
  27. 2026-08-13 22:00 UTCEPSS rescore
  28. 2026-08-13 14:39 UTCGHSA enrichment
  29. 2026-08-12 14:50 UTCEG score recompute
  30. 2026-08-12 14:50 UTCGHSA enrichment
  31. 2026-08-12 13:50 UTCEPSS rescore
  32. 2026-08-11 15:00 UTCEG score recompute
  33. 2026-08-11 15:00 UTCGHSA enrichment
  34. 2026-08-10 23:59 UTCEPSS rescore
  35. 2026-08-10 15:11 UTCGHSA enrichment
  36. 2026-08-09 15:22 UTCEG score recompute
  37. 2026-08-09 15:22 UTCGHSA enrichment
  38. 2026-08-09 13:46 UTCEPSS rescore
  39. 2026-08-08 16:37 UTCEPSS rescore
  40. 2026-08-08 15:33 UTCEG score recompute
  41. 2026-08-08 15:33 UTCGHSA enrichment
  42. 2026-08-07 15:43 UTCGHSA enrichment
  43. 2026-08-06 15:55 UTCEG score recompute
  44. 2026-08-06 15:54 UTCGHSA enrichment
  45. 2026-08-06 13:46 UTCEPSS rescore
  46. 2026-08-05 19:17 UTCEPSS rescore
  47. 2026-08-05 16:05 UTCGHSA enrichment
  48. 2026-08-04 13:54 UTCEG score recompute
  49. 2026-08-04 13:54 UTCGHSA enrichment
  50. 2026-08-04 10:38 UTCEPSS rescore
  51. 2026-08-03 12:59 UTCEG score recompute
  52. 2026-08-03 12:59 UTCGHSA enrichment
  53. 2026-08-03 10:35 UTCEPSS rescore
  54. 2026-08-02 12:19 UTCEG score recompute
  55. 2026-08-02 12:18 UTCGHSA enrichment
  56. 2026-08-02 02:26 UTCEPSS rescore
  57. 2026-08-01 12:28 UTCEG score recompute
  58. 2026-08-01 12:28 UTCGHSA enrichment
  59. 2026-08-01 04:15 UTCEPSS rescore
  60. 2026-07-31 12:38 UTCEG score recompute
  61. 2026-07-31 12:38 UTCGHSA enrichment
  62. 2026-07-30 16:27 UTCEPSS rescore
  63. 2026-07-30 12:45 UTCEG score recompute
  64. 2026-07-30 12:45 UTCGHSA enrichment
  65. 2026-07-30 01:30 UTCEPSS rescore
  66. 2026-07-29 12:52 UTCEG score recompute
  67. 2026-07-29 12:52 UTCGHSA enrichment
  68. 2026-07-28 15:36 UTCEPSS rescore
  69. 2026-07-28 13:02 UTCEG score recompute
  70. 2026-07-28 13:02 UTCGHSA enrichment
  71. 2026-07-27 14:13 UTCEPSS rescore
  72. 2026-07-27 12:46 UTCEG score recompute
  73. 2026-07-27 12:46 UTCGHSA enrichment
  74. 2026-07-26 14:54 UTCEPSS rescore
  75. 2026-07-26 14:54 UTCEPSS rescore

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 0% probability of exploitation in the next 30 days, which ranks it in the top 93.8% of all scored CVEs.
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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