CVE-2026-43763

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.

A permissions issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sequoia 15.7.8, macOS Sequoia 15.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, macOS Tahoe 26.7. An app may be able to read files outside of its sandbox.

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
8%
KEV
Not listed

Published

July 27, 2026

Last Modified

September 14, 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-2026-43763(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 / 63× 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 126 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-43763?
CVE-2026-43763 is a medium vulnerability published on July 27, 2026. A permissions issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sequoia 15.7.8, macOS Sequoia 15.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, macOS Tahoe 26.7. An app may be able to read files outside of its sandbox.
When was CVE-2026-43763 disclosed?
CVE-2026-43763 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43763 actively exploited?
CVE-2026-43763 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 91.9% of all scored CVEs.
What is the CVSS score of CVE-2026-43763?
CVE-2026-43763 has a CVSS v3.1 base score of 5.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-43763?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43763, 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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