CVE-2026-64749

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, visionOS 26.6. An app may be able to cause unexpected system termination or corrupt kernel memory.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 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

August 17, 2026

Advisory Details (4)

Auto-updated Jul 28, 2026
No patch confirmed yet.
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 visionOS 26.6 - Apple Support

https://support.apple.com/en-us/128070
generic

About the security content of macOS Tahoe 26.6 - Apple Support

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

About the security content of iOS 26.6 and iPadOS 26.6 - Apple Support

https://support.apple.com/en-us/128066

Vendor Advisories for CVE-2026-64749(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 18× in last 7d / 108× 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 127 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-64749?
CVE-2026-64749 is a high vulnerability published on July 27, 2026. The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, visionOS 26.6. An app may be able to cause unexpected system termination or corrupt kernel memory.
When was CVE-2026-64749 disclosed?
CVE-2026-64749 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64749 actively exploited?
CVE-2026-64749 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 92.7% of all scored CVEs.
What is the CVSS score of CVE-2026-64749?
CVE-2026-64749 has a CVSS v3.1 base score of 7.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-64749?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64749, 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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