CVE-2025-43278

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-06-11. 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
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

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

This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.4. An app may be able to access protected user data.

CVSS v3
5.5
EG Score
5.5(medium)
EPSS
4.8%
KEV
Not listed

Published

June 11, 2026

Last Modified

June 15, 2026

Advisory Details (1)

Auto-updated Jun 14, 2026
No patch confirmed yet.
generic

About the security content of macOS Sequoia 15.4 - Apple Support

https://support.apple.com/en-us/122373

Vendor Advisories for CVE-2025-43278(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 12× in last 7d / 71× 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. 2026-07-22 14:07 UTCEPSS rescore
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
  4. 2026-07-20 17:07 UTCEPSS rescore
  5. 2026-07-19 14:30 UTCEPSS rescore
  6. 2026-07-19 14:30 UTCEPSS rescore
  7. 2026-07-19 02:28 UTCEPSS rescore
  8. 2026-07-19 02:28 UTCEPSS rescore
  9. 2026-07-18 10:04 UTCEPSS rescore
  10. 2026-07-18 10:04 UTCEPSS rescore
  11. 2026-07-16 23:28 UTCGHSA enrichment
  12. 2026-07-16 17:02 UTCEPSS rescore
  13. 2026-07-15 16:57 UTCEPSS rescore
  14. 2026-07-15 16:57 UTCEPSS rescore
  15. 2026-07-15 16:28 UTCGHSA enrichment
  16. 2026-07-15 01:59 UTCEPSS rescore
  17. 2026-07-15 01:59 UTCEPSS rescore
  18. 2026-07-14 17:22 UTCGHSA enrichment
  19. 2026-07-13 22:29 UTCEPSS rescore
  20. 2026-07-13 22:29 UTCEPSS rescore
  21. 2026-07-13 19:16 UTCGHSA enrichment
  22. 2026-07-13 06:12 UTCEPSS rescore
  23. 2026-07-12 19:52 UTCGHSA enrichment
  24. 2026-07-12 05:46 UTCEPSS rescore
  25. 2026-07-11 18:23 UTCGHSA enrichment
Show 74 more
  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-10 20:21 UTCGHSA enrichment
  4. 2026-07-09 22:21 UTCGHSA enrichment
  5. 2026-07-09 19:09 UTCEPSS rescore
  6. 2026-07-09 19:09 UTCEPSS rescore
  7. 2026-07-08 21:51 UTCGHSA enrichment
  8. 2026-07-07 23:50 UTCGHSA enrichment
  9. 2026-07-07 13:45 UTCEPSS rescore
  10. 2026-07-07 01:46 UTCGHSA enrichment
  11. 2026-07-06 16:27 UTCEPSS rescore
  12. 2026-07-06 16:27 UTCEPSS rescore
  13. 2026-07-05 11:01 UTCGHSA enrichment
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 11:21 UTCGHSA enrichment
  16. 2026-07-04 06:30 UTCEPSS rescore
  17. 2026-07-03 07:42 UTCGHSA enrichment
  18. 2026-07-02 09:37 UTCGHSA enrichment
  19. 2026-07-01 15:06 UTCEPSS rescore
  20. 2026-07-01 15:06 UTCEPSS rescore
  21. 2026-07-01 11:36 UTCGHSA enrichment
  22. 2026-06-30 23:22 UTCEPSS rescore
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-30 13:36 UTCGHSA enrichment
  25. 2026-06-29 14:06 UTCEPSS rescore
  26. 2026-06-29 14:06 UTCEPSS rescore
  27. 2026-06-29 12:27 UTCGHSA enrichment
  28. 2026-06-28 14:26 UTCGHSA enrichment
  29. 2026-06-28 14:07 UTCEPSS rescore
  30. 2026-06-28 14:07 UTCEPSS rescore
  31. 2026-06-28 04:55 UTCEPSS rescore
  32. 2026-06-28 04:55 UTCEPSS rescore
  33. 2026-06-27 16:22 UTCGHSA enrichment
  34. 2026-06-27 03:08 UTCEPSS rescore
  35. 2026-06-27 03:08 UTCEPSS rescore
  36. 2026-06-26 18:21 UTCGHSA enrichment
  37. 2026-06-25 20:07 UTCGHSA enrichment
  38. 2026-06-25 13:49 UTCEPSS rescore
  39. 2026-06-25 13:49 UTCEPSS rescore
  40. 2026-06-24 22:06 UTCGHSA enrichment
  41. 2026-06-24 14:04 UTCEPSS rescore
  42. 2026-06-24 14:04 UTCEPSS rescore
  43. 2026-06-24 00:05 UTCGHSA enrichment
  44. 2026-06-23 21:32 UTCEPSS rescore
  45. 2026-06-23 21:32 UTCEPSS rescore
  46. 2026-06-23 02:03 UTCGHSA enrichment
  47. 2026-06-22 14:25 UTCEPSS rescore
  48. 2026-06-22 14:25 UTCEPSS rescore
  49. 2026-06-22 03:57 UTCGHSA enrichment
  50. 2026-06-21 14:56 UTCEPSS rescore
  51. 2026-06-21 14:56 UTCEPSS rescore
  52. 2026-06-21 04:48 UTCGHSA enrichment
  53. 2026-06-21 01:59 UTCEPSS rescore
  54. 2026-06-21 01:59 UTCEPSS rescore
  55. 2026-06-20 06:01 UTCGHSA enrichment
  56. 2026-06-19 19:25 UTCEPSS rescore
  57. 2026-06-19 19:25 UTCEPSS rescore
  58. 2026-06-19 07:43 UTCGHSA enrichment
  59. 2026-06-18 17:52 UTCEPSS rescore
  60. 2026-06-18 17:52 UTCEPSS rescore
  61. 2026-06-18 09:37 UTCGHSA enrichment
  62. 2026-06-17 11:15 UTCGHSA enrichment
  63. 2026-06-16 17:52 UTCEPSS rescore
  64. 2026-06-16 17:52 UTCEPSS rescore
  65. 2026-06-16 13:14 UTCGHSA enrichment
  66. 2026-06-15 14:54 UTCGHSA enrichment
  67. 2026-06-14 23:17 UTCEPSS rescore
  68. 2026-06-14 16:53 UTCEG score recompute▲ 5.50
  69. 2026-06-14 16:53 UTCGHSA enrichment
  70. 2026-06-13 23:00 UTCEPSS rescore
  71. 2026-06-12 23:11 UTCEPSS rescore
  72. 2026-06-12 22:17 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  73. 2026-06-11 19:57 UTCEG score recompute
  74. 2026-06-11 19:56 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2025-43278?
CVE-2025-43278 is a medium vulnerability published on June 11, 2026. This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.4. An app may be able to access protected user data.
When was CVE-2025-43278 disclosed?
CVE-2025-43278 was first published in the National Vulnerability Database on June 11, 2026, with the most recent update on June 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-43278 actively exploited?
CVE-2025-43278 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-43278?
CVE-2025-43278 has a CVSS v3.1 base score of 5.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-43278?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-43278, 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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