CVE-2026-65339

MEDIUMPre-NVD 5.05.0—
EchelonGraph scoreMEDIUM confidence

Score 5.0 from GitHub Security Advisory published 2026-08-18. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.0Exploit: None knownExposed services: Not assessed

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

A logic issue was addressed with improved checks. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. An app may be able to leak sensitive user information.

CVSS v3
5.0
EG Score
5.0MEDIUMmedium confidence
EG Risk
23
EG Risk 23/100CISA SSVC

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
Severity50% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
3rd
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 17, 2026

Last Modified

September 14, 2026

Advisory Details (2)

Auto-updated Aug 18, 2026
No patch confirmed yet.
generic

About the security content of iOS 26.6.1 and iPadOS 26.6.1 - Apple Support

https://support.apple.com/en-us/148282
generic

About the security content of macOS Tahoe 26.6.2 - Apple Support

https://support.apple.com/en-us/148281

Vendor Advisories for CVE-2026-65339(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 17× in last 7d / 69× 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 125 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-65339?
CVE-2026-65339 is a medium vulnerability published on August 17, 2026. A logic issue was addressed with improved checks. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. An app may be able to leak sensitive user information.
When was CVE-2026-65339 disclosed?
CVE-2026-65339 was first published on August 17, 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-2026-65339 actively exploited?
CVE-2026-65339 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (3rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-65339?
CVE-2026-65339 has a CVSS v3.1 base score of 5.0 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-65339?
No fix for CVE-2026-65339 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-65339 are linked in the Vendor Advisories panel on this page.

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