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%CVSS: 5.0Exploit: None knownExposed: 0

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

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
5.0(medium)
EG Risk
23(Track)
EG Risk 23/100SSVC: 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
Severity50% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

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 / 72× 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. 2026-09-19 00:22 UTCEG score recompute
  2. 2026-09-19 00:22 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 00:17 UTCEG score recompute
  5. 2026-09-18 00:17 UTCGHSA enrichment
  6. 2026-09-16 23:02 UTCEG score recompute
  7. 2026-09-16 23:01 UTCGHSA enrichment
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 05:15 UTCEPSS rescore
  10. 2026-09-15 21:43 UTCEG score recompute
  11. 2026-09-15 21:42 UTCGHSA enrichment
  12. 2026-09-14 21:33 UTCGHSA enrichment
  13. 2026-09-14 21:08 UTCGHSA enrichment
  14. 2026-09-14 04:07 UTCEG score recompute
  15. 2026-09-14 04:07 UTCGHSA enrichment
  16. 2026-09-13 04:02 UTCEG score recompute
  17. 2026-09-13 04:02 UTCGHSA enrichment
  18. 2026-09-12 03:55 UTCEG score recompute
  19. 2026-09-12 03:55 UTCGHSA enrichment
  20. 2026-09-11 09:37 UTCEPSS rescore
  21. 2026-09-11 03:49 UTCEG score recompute
  22. 2026-09-11 03:49 UTCGHSA enrichment
  23. 2026-09-10 03:43 UTCGHSA enrichment
  24. 2026-09-09 03:35 UTCEG score recompute
  25. 2026-09-09 03:35 UTCGHSA enrichment
Show 64 more
  1. 2026-09-08 22:01 UTCEPSS rescore
  2. 2026-09-07 16:01 UTCEPSS rescore
  3. 2026-09-07 10:31 UTCEG score recompute
  4. 2026-09-07 10:31 UTCGHSA enrichment
  5. 2026-09-06 13:47 UTCEPSS rescore
  6. 2026-09-06 08:01 UTCEG score recompute
  7. 2026-09-06 08:01 UTCGHSA enrichment
  8. 2026-09-05 15:31 UTCEPSS rescore
  9. 2026-09-05 07:55 UTCEG score recompute
  10. 2026-09-05 07:55 UTCGHSA enrichment
  11. 2026-09-04 07:49 UTCEG score recompute
  12. 2026-09-04 07:49 UTCGHSA enrichment
  13. 2026-09-04 05:07 UTCEPSS rescore
  14. 2026-09-03 06:19 UTCEG score recompute
  15. 2026-09-03 06:19 UTCGHSA enrichment
  16. 2026-09-02 14:12 UTCEPSS rescore
  17. 2026-09-02 06:12 UTCEG score recompute
  18. 2026-09-02 06:11 UTCGHSA enrichment
  19. 2026-09-01 13:54 UTCEPSS rescore
  20. 2026-09-01 06:00 UTCEG score recompute
  21. 2026-09-01 06:00 UTCGHSA enrichment
  22. 2026-09-01 04:40 UTCEPSS rescore
  23. 2026-08-31 05:34 UTCEG score recompute
  24. 2026-08-31 05:34 UTCGHSA enrichment
  25. 2026-08-30 19:17 UTCEPSS rescore
  26. 2026-08-30 05:28 UTCEG score recompute
  27. 2026-08-30 05:28 UTCGHSA enrichment
  28. 2026-08-30 01:22 UTCEPSS rescore
  29. 2026-08-29 05:22 UTCEG score recompute
  30. 2026-08-29 05:22 UTCGHSA enrichment
  31. 2026-08-28 21:42 UTCEPSS rescore
  32. 2026-08-27 20:03 UTCEG score recompute
  33. 2026-08-27 20:03 UTCGHSA enrichment
  34. 2026-08-26 19:57 UTCGHSA enrichment
  35. 2026-08-25 19:51 UTCEG score recompute
  36. 2026-08-25 19:51 UTCGHSA enrichment
  37. 2026-08-25 13:49 UTCEPSS rescore
  38. 2026-08-24 19:44 UTCEG score recompute
  39. 2026-08-24 19:44 UTCGHSA enrichment
  40. 2026-08-23 19:39 UTCEG score recompute
  41. 2026-08-23 19:39 UTCGHSA enrichment
  42. 2026-08-23 00:19 UTCEPSS rescore
  43. 2026-08-22 19:33 UTCEG score recompute
  44. 2026-08-22 19:33 UTCGHSA enrichment
  45. 2026-08-21 23:49 UTCEPSS rescore
  46. 2026-08-21 19:27 UTCEG score recompute
  47. 2026-08-21 19:27 UTCGHSA enrichment
  48. 2026-08-20 22:55 UTCEPSS rescore
  49. 2026-08-20 19:21 UTCGHSA enrichment
  50. 2026-08-19 19:16 UTCEG score recompute
  51. 2026-08-19 19:16 UTCGHSA enrichment
  52. 2026-08-19 17:04 UTCEPSS rescore
  53. 2026-08-18 19:04 UTCEG score recompute
  54. 2026-08-18 19:04 UTCGHSA enrichment
  55. 2026-08-18 14:55 UTCGHSA enrichment
  56. 2026-08-18 14:50 UTCEG score recompute
  57. 2026-08-18 14:50 UTCGHSA enrichment
  58. 2026-08-18 13:48 UTCEPSS rescore
  59. 2026-08-18 13:47 UTCEG score recompute▲ 5.00
  60. 2026-08-18 13:47 UTCGHSA enrichment
  61. 2026-08-18 13:45 UTCMITRE cvelistV5CVSS v3 → 5 · severity → MEDIUM
  62. 2026-08-17 22:20 UTCNVD update
  63. 2026-08-17 21:40 UTCEG score recompute
  64. 2026-08-17 21:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

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 in the National Vulnerability Database 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% probability of exploitation in the next 30 days, which ranks it in the top 97.7% of all 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?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-65339, 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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