CVE-2026-64887

HIGHPre-NVD 7.07.0—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.0 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 98% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
7.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.0Exploit: None knownExposed: 0

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

Use of hard-coded cryptographic key vulnerability in Johnson Controls Airwall allows : Cryptanalytic Attack.

This issue affects Airwall: before 4.1.

CVSS v3
7.0
EG Score
7.0(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity70% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

August 14, 2026

Last Modified

September 3, 2026

Advisory Details (1)

Auto-updated Aug 14, 2026
Patch available.
generic Patch Available

Security Advisories | Johnson Controls

https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories

Vendor Advisories for CVE-2026-64887(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 22× in last 7d / 97× 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 121 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-64887?
CVE-2026-64887 is a high vulnerability published on August 14, 2026. Use of hard-coded cryptographic key vulnerability in Johnson Controls Airwall allows : Cryptanalytic Attack. This issue affects Airwall: before 4.1.
When was CVE-2026-64887 disclosed?
CVE-2026-64887 was first published in the National Vulnerability Database on August 14, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64887 actively exploited?
CVE-2026-64887 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 98.4% of all scored CVEs.
What is the CVSS score of CVE-2026-64887?
CVE-2026-64887 has a CVSS v3 base score of 7.0 (NVD).
How do I remediate CVE-2026-64887?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64887, 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.

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