CVE-2026-28830

MEDIUMNVD 4.74.7—
EchelonGraph scoreMEDIUM confidence

Score 4.7 from GitHub Security Advisory published 2026-05-11. NVD baseline CVSS 4.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.7Exploit: None knownExposed: 0

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

A race condition was addressed with additional validation. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.

CVSS v3
4.7
EG Score
4.7(medium)
EG Risk
21(Track)
EG Risk 21/100SSVC: 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
Severity47% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

May 11, 2026

Last Modified

May 12, 2026

Advisory Details (1)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

About the security content of macOS Tahoe 26.4 - Apple Support

https://support.apple.com/en-us/126794

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 2× in last 7d / 13× 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 157 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-28830?
CVE-2026-28830 is a medium vulnerability published on May 11, 2026. A race condition was addressed with additional validation. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.
When was CVE-2026-28830 disclosed?
CVE-2026-28830 was first published in the National Vulnerability Database on May 11, 2026, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-28830 actively exploited?
CVE-2026-28830 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 99.7% of all scored CVEs.
What is the CVSS score of CVE-2026-28830?
CVE-2026-28830 has a CVSS v3 base score of 4.7 (NVD).
How do I remediate CVE-2026-28830?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28830, 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.

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