CVE-2026-43728

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

This issue was addressed through improved state management. This issue is fixed in macOS Tahoe 26.6. An attacker may be able to modify the state of the Keychain.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 29, 2026

Advisory Details (1)

Auto-updated Jul 28, 2026
No patch confirmed yet.
generic

About the security content of macOS Tahoe 26.6 - Apple Support

https://support.apple.com/en-us/128067

Vendor Advisories for CVE-2026-43728(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 21× in last 7d / 89× 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 169 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-43728?
CVE-2026-43728 is a high vulnerability published on July 27, 2026. This issue was addressed through improved state management. This issue is fixed in macOS Tahoe 26.6. An attacker may be able to modify the state of the Keychain.
When was CVE-2026-43728 disclosed?
CVE-2026-43728 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on July 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43728 actively exploited?
CVE-2026-43728 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 81.0% of all scored CVEs.
What is the CVSS score of CVE-2026-43728?
CVE-2026-43728 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-43728?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43728, 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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