CVE-2026-64744

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
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: None knownExposed: 0

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

An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

July 27, 2026

Last Modified

August 17, 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-2026-64744(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 16× in last 7d / 77× 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.

  1. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 23:45 UTCEG score recompute
  3. 2026-08-29 23:45 UTCGHSA enrichment
  4. 2026-08-28 21:42 UTCEPSS rescore
  5. 2026-08-27 21:53 UTCEG score recompute
  6. 2026-08-27 21:53 UTCGHSA enrichment
  7. 2026-08-26 19:43 UTCEG score recompute
  8. 2026-08-26 19:42 UTCGHSA enrichment
  9. 2026-08-26 14:47 UTCEPSS rescore
  10. 2026-08-25 13:49 UTCEPSS rescore
  11. 2026-08-25 13:41 UTCEG score recompute
  12. 2026-08-25 13:40 UTCGHSA enrichment
  13. 2026-08-24 11:30 UTCEG score recompute
  14. 2026-08-24 11:30 UTCGHSA enrichment
  15. 2026-08-23 09:20 UTCEG score recompute
  16. 2026-08-23 09:20 UTCGHSA enrichment
  17. 2026-08-23 00:19 UTCEPSS rescore
  18. 2026-08-22 07:10 UTCEG score recompute
  19. 2026-08-22 07:10 UTCGHSA enrichment
  20. 2026-08-21 23:49 UTCEPSS rescore
  21. 2026-08-21 05:00 UTCEG score recompute
  22. 2026-08-21 05:00 UTCGHSA enrichment
  23. 2026-08-20 22:55 UTCEPSS rescore
  24. 2026-08-20 02:50 UTCEG score recompute
  25. 2026-08-20 02:50 UTCGHSA enrichment
Show 68 more
  1. 2026-08-19 17:04 UTCEPSS rescore
  2. 2026-08-19 00:38 UTCEG score recompute
  3. 2026-08-19 00:38 UTCGHSA enrichment
  4. 2026-08-18 13:48 UTCEPSS rescore
  5. 2026-08-17 22:23 UTCGHSA enrichment
  6. 2026-08-17 21:41 UTCEG score recompute
  7. 2026-08-17 21:41 UTCGHSA enrichment
  8. 2026-08-17 13:47 UTCEPSS rescore
  9. 2026-08-17 09:39 UTCEG score recompute
  10. 2026-08-17 09:39 UTCGHSA enrichment
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-16 07:29 UTCEG score recompute
  13. 2026-08-16 07:29 UTCGHSA enrichment
  14. 2026-08-15 05:20 UTCEG score recompute
  15. 2026-08-15 05:20 UTCGHSA enrichment
  16. 2026-08-15 01:30 UTCEPSS rescore
  17. 2026-08-14 03:09 UTCEG score recompute
  18. 2026-08-14 03:09 UTCGHSA enrichment
  19. 2026-08-13 22:00 UTCEPSS rescore
  20. 2026-08-13 01:00 UTCEG score recompute
  21. 2026-08-13 01:00 UTCGHSA enrichment
  22. 2026-08-12 13:51 UTCEPSS rescore
  23. 2026-08-11 22:50 UTCEG score recompute
  24. 2026-08-11 22:50 UTCGHSA enrichment
  25. 2026-08-11 00:00 UTCEPSS rescore
  26. 2026-08-10 20:40 UTCGHSA enrichment
  27. 2026-08-09 18:29 UTCEG score recompute
  28. 2026-08-09 18:29 UTCGHSA enrichment
  29. 2026-08-09 13:47 UTCEPSS rescore
  30. 2026-08-08 16:37 UTCEPSS rescore
  31. 2026-08-08 16:20 UTCEG score recompute
  32. 2026-08-08 16:20 UTCGHSA enrichment
  33. 2026-08-07 14:09 UTCEG score recompute
  34. 2026-08-07 14:09 UTCGHSA enrichment
  35. 2026-08-06 13:47 UTCEPSS rescore
  36. 2026-08-06 11:59 UTCEG score recompute
  37. 2026-08-06 11:59 UTCGHSA enrichment
  38. 2026-08-05 19:17 UTCEPSS rescore
  39. 2026-08-05 19:17 UTCEPSS rescore
  40. 2026-08-05 09:49 UTCEG score recompute
  41. 2026-08-05 09:49 UTCGHSA enrichment
  42. 2026-08-04 15:10 UTCEPSS rescore
  43. 2026-08-04 10:39 UTCEPSS rescore
  44. 2026-08-04 07:14 UTCEG score recompute
  45. 2026-08-04 07:14 UTCGHSA enrichment
  46. 2026-08-03 10:36 UTCEPSS rescore
  47. 2026-08-03 04:59 UTCGHSA enrichment
  48. 2026-08-02 02:49 UTCEG score recompute
  49. 2026-08-02 02:49 UTCGHSA enrichment
  50. 2026-08-02 02:27 UTCEPSS rescore
  51. 2026-08-01 04:16 UTCEPSS rescore
  52. 2026-08-01 00:39 UTCGHSA enrichment
  53. 2026-07-30 22:27 UTCEG score recompute
  54. 2026-07-30 22:27 UTCGHSA enrichment
  55. 2026-07-30 16:28 UTCEPSS rescore
  56. 2026-07-30 01:30 UTCEPSS rescore
  57. 2026-07-30 01:30 UTCEPSS rescore
  58. 2026-07-29 20:16 UTCEG score recompute
  59. 2026-07-29 20:16 UTCGHSA enrichment
  60. 2026-07-28 18:06 UTCGHSA enrichment
  61. 2026-07-28 16:42 UTCGHSA enrichment
  62. 2026-07-28 16:16 UTCEG score recompute▲ 5.50
  63. 2026-07-28 16:15 UTCGHSA enrichment
  64. 2026-07-28 16:13 UTCMITRE cvelistV5CVSS v3 → 5.5 · severity → MEDIUM
  65. 2026-07-28 15:37 UTCEPSS rescore
  66. 2026-07-27 21:19 UTCNVD update
  67. 2026-07-27 20:28 UTCEG score recompute
  68. 2026-07-27 20:24 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-64744?
CVE-2026-64744 is a medium vulnerability published on July 27, 2026. An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.
When was CVE-2026-64744 disclosed?
CVE-2026-64744 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-2026-64744 actively exploited?
CVE-2026-64744 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 91.2% of all scored CVEs.
What is the CVSS score of CVE-2026-64744?
CVE-2026-64744 has a CVSS v3.1 base score of 5.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-64744?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64744, 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

Explore the affected products and dependency analysis for CVE-2026-64744

Explore →

Is Your Infrastructure Affected by CVE-2026-64744?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs