CVE-2026-64737

HIGHPre-NVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

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

An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.

CVSS v3
8.2
EG Score
8.2(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity82% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
7%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 28, 2026

Advisory Details (3)

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

About the security content of macOS Sonoma 14.8.8 - Apple Support

https://support.apple.com/en-us/128072
generic

About the security content of macOS Sequoia 15.7.8 - Apple Support

https://support.apple.com/en-us/128071
generic

About the security content of macOS Tahoe 26.6 - Apple Support

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

Vendor Advisories for CVE-2026-64737(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 20× in last 7d / 93× 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 181 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-64737?
CVE-2026-64737 is a high vulnerability published on July 27, 2026. An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.
When was CVE-2026-64737 disclosed?
CVE-2026-64737 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64737 actively exploited?
CVE-2026-64737 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 93.3% of all scored CVEs.
What is the CVSS score of CVE-2026-64737?
CVE-2026-64737 has a CVSS v3.1 base score of 8.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-64737?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64737, 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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