CVE-2026-65330

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-08-18. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 6.5Exploit: Elevated riskExposed services: Not assessed

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

The issue was addressed with improved memory handling. 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 cause unexpected system termination or corrupt kernel memory.

CVSS v3
6.5
EG Score
6.5MEDIUMmedium confidence
EG Risk
45
EG Risk 45/100CISA 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
Severity65% × 45%
Exploitation40% × 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
0.5%
EPSS %ILE
37th
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-2026-65330(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.

Showing the most recent 100 of 128 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 09:20 UTCEG score recompute
  8. 2026-10-02 09:20 UTCGHSA enrichment
  9. 2026-10-01 19:50 UTCEPSS rescore
  10. 2026-10-01 09:43 UTCEG score recompute
  11. 2026-10-01 09:43 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 07:19 UTCEG score recompute
  16. 2026-09-29 07:19 UTCGHSA enrichment
  17. 2026-09-28 13:51 UTCEPSS rescore
  18. 2026-09-28 07:41 UTCEG score recompute
  19. 2026-09-28 07:41 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 01:53 UTCEG score recompute
  24. 2026-09-25 01:53 UTCGHSA enrichment
  25. 2026-09-23 22:39 UTCEG score recompute
Show 75 more
  1. 2026-09-23 22:39 UTCGHSA enrichment
  2. 2026-09-23 17:54 UTCEPSS rescore
  3. 2026-09-22 23:01 UTCEG score recompute
  4. 2026-09-22 23:01 UTCGHSA enrichment
  5. 2026-09-21 23:23 UTCEG score recompute
  6. 2026-09-21 23:23 UTCGHSA enrichment
  7. 2026-09-20 23:46 UTCEG score recompute
  8. 2026-09-20 23:46 UTCGHSA enrichment
  9. 2026-09-20 20:16 UTCEPSS rescore
  10. 2026-09-19 23:33 UTCEG score recompute
  11. 2026-09-19 23:33 UTCGHSA enrichment
  12. 2026-09-18 23:55 UTCEG score recompute
  13. 2026-09-18 23:55 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 23:01 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 21:26 UTCEG score recompute
  22. 2026-09-15 21:26 UTCGHSA enrichment
  23. 2026-09-14 21:33 UTCGHSA enrichment
  24. 2026-09-14 21:08 UTCGHSA enrichment
  25. 2026-09-14 02:04 UTCEG score recompute
  26. 2026-09-14 02:04 UTCGHSA enrichment
  27. 2026-09-13 02:26 UTCEG score recompute
  28. 2026-09-13 02:26 UTCGHSA enrichment
  29. 2026-09-12 02:49 UTCEG score recompute
  30. 2026-09-12 02:49 UTCGHSA enrichment
  31. 2026-09-11 14:53 UTCEPSS rescore
  32. 2026-09-11 09:37 UTCEPSS rescore
  33. 2026-09-11 03:12 UTCEG score recompute
  34. 2026-09-11 03:11 UTCGHSA enrichment
  35. 2026-09-10 03:33 UTCGHSA enrichment
  36. 2026-09-09 03:55 UTCEG score recompute
  37. 2026-09-09 03:55 UTCGHSA enrichment
  38. 2026-09-08 22:01 UTCEPSS rescore
  39. 2026-09-08 04:18 UTCEG score recompute
  40. 2026-09-08 04:18 UTCGHSA enrichment
  41. 2026-09-07 16:01 UTCEPSS rescore
  42. 2026-09-07 04:41 UTCEG score recompute
  43. 2026-09-07 04:41 UTCGHSA enrichment
  44. 2026-09-06 13:47 UTCEPSS rescore
  45. 2026-09-06 02:50 UTCEG score recompute
  46. 2026-09-06 02:50 UTCGHSA enrichment
  47. 2026-09-05 15:31 UTCEPSS rescore
  48. 2026-09-05 03:13 UTCEG score recompute
  49. 2026-09-05 03:13 UTCGHSA enrichment
  50. 2026-09-04 05:07 UTCEPSS rescore
  51. 2026-09-04 03:35 UTCGHSA enrichment
  52. 2026-09-03 03:58 UTCEG score recompute
  53. 2026-09-03 03:58 UTCGHSA enrichment
  54. 2026-09-02 14:12 UTCEPSS rescore
  55. 2026-09-02 04:20 UTCEG score recompute
  56. 2026-09-02 04:20 UTCGHSA enrichment
  57. 2026-09-01 13:54 UTCEPSS rescore
  58. 2026-09-01 04:40 UTCEPSS rescore
  59. 2026-09-01 04:19 UTCGHSA enrichment
  60. 2026-08-31 04:36 UTCEG score recompute
  61. 2026-08-31 04:36 UTCGHSA enrichment
  62. 2026-08-30 19:17 UTCEPSS rescore
  63. 2026-08-30 04:59 UTCEG score recompute
  64. 2026-08-30 04:59 UTCGHSA enrichment
  65. 2026-08-30 01:22 UTCEPSS rescore
  66. 2026-08-29 05:22 UTCEG score recompute
  67. 2026-08-29 05:21 UTCGHSA enrichment
  68. 2026-08-28 21:42 UTCEPSS rescore
  69. 2026-08-27 19:25 UTCEG score recompute
  70. 2026-08-27 19:25 UTCGHSA enrichment
  71. 2026-08-26 18:18 UTCEG score recompute
  72. 2026-08-26 18:18 UTCGHSA enrichment
  73. 2026-08-26 14:47 UTCEPSS rescore
  74. 2026-08-25 17:06 UTCEG score recompute
  75. 2026-08-25 17:06 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCByteV0rtex/CVE-2026-65330
    First seen Sep 2, 2026

    CVE-2026-65330 PoC — setxattr PAC bypass via fixed #0x307a diversifier (iOS 26.6 / 23G71)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-65330?
CVE-2026-65330 is a medium vulnerability published on August 17, 2026. The issue was addressed with improved memory handling. 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 cause unexpected system termination or corrupt kernel memory.
When was CVE-2026-65330 disclosed?
CVE-2026-65330 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-2026-65330 actively exploited?
CVE-2026-65330 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (37th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-65330?
CVE-2026-65330 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-65330?
No fix for CVE-2026-65330 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-2026-65330 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-65330

Explore →

Is Your Infrastructure Affected by CVE-2026-65330?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs