CVE-2026-43813

HIGHPre-NVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: Elevated riskExposed: 0

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

A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A maliciously crafted app may be able to bypass code signing enforcement.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
48(Track)
EG Risk 48/100SSVC: 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
Severity71% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 28, 2026

Advisory Details (5)

Auto-updated Jul 28, 2026
No patch confirmed yet.
generic

About the security content of visionOS 26.6 - Apple Support

https://support.apple.com/en-us/128070
generic

About the security content of tvOS 26.6 - Apple Support

https://support.apple.com/en-us/128069
generic

About the security content of watchOS 26.6 - Apple Support

https://support.apple.com/en-us/128068
generic

About the security content of macOS Tahoe 26.6 - Apple Support

https://support.apple.com/en-us/128067
generic

About the security content of iOS 26.6 and iPadOS 26.6 - Apple Support

https://support.apple.com/en-us/128066

Vendor Advisories for CVE-2026-43813(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 21× in last 7d / 112× 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 132 total refreshes for this CVE.

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

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 PoCEastArctica/CVE-2026-43813
    First seen Jul 29, 2026

    CVE-2026-43813: CloudAttestation enforceEnvironment bypass

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-43813?
CVE-2026-43813 is a high vulnerability published on July 27, 2026. A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A maliciously crafted app may be able to bypass code signing enforcement.
When was CVE-2026-43813 disclosed?
CVE-2026-43813 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43813 actively exploited?
CVE-2026-43813 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 79.4% of all scored CVEs.
What is the CVSS score of CVE-2026-43813?
CVE-2026-43813 has a CVSS v3.1 base score of 7.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-43813?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43813, 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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