CVE-2026-43673

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted audio file may corrupt process memory.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
7%
KEV
Not listed

Published

July 27, 2026

Last Modified

August 17, 2026

Advisory Details (7)

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

About the security content of macOS Sonoma 14.8.8 - Apple Support

https://support.apple.com/en-us/128072
generic

About the security content of macOS Sequoia 15.7.8 - Apple Support

https://support.apple.com/en-us/128071
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-2026-43673(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 / 105× 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 124 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 22:49 UTCEG score recompute
  6. 2026-08-27 22:49 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 04:48 UTCGHSA enrichment
  14. 2026-08-25 15:37 UTCGHSA enrichment
  15. 2026-08-25 02:17 UTCEG score recompute
  16. 2026-08-25 02:17 UTCGHSA enrichment
  17. 2026-08-24 13:07 UTCEG score recompute
  18. 2026-08-24 13:07 UTCGHSA enrichment
  19. 2026-08-23 23:55 UTCGHSA enrichment
  20. 2026-08-23 10:44 UTCEG score recompute
  21. 2026-08-23 10:44 UTCGHSA enrichment
  22. 2026-08-23 00:19 UTCEPSS rescore
  23. 2026-08-22 21:34 UTCGHSA enrichment
  24. 2026-08-22 08:23 UTCEG score recompute
  25. 2026-08-22 08:23 UTCGHSA enrichment
Show 75 more
  1. 2026-08-21 23:49 UTCEPSS rescore
  2. 2026-08-21 19:12 UTCGHSA enrichment
  3. 2026-08-21 06:01 UTCEG score recompute
  4. 2026-08-21 06:01 UTCGHSA enrichment
  5. 2026-08-20 22:55 UTCEPSS rescore
  6. 2026-08-20 16:50 UTCGHSA enrichment
  7. 2026-08-20 03:29 UTCEG score recompute
  8. 2026-08-20 03:29 UTCGHSA enrichment
  9. 2026-08-19 17:04 UTCEPSS rescore
  10. 2026-08-19 14:04 UTCGHSA enrichment
  11. 2026-08-19 00:43 UTCEG score recompute
  12. 2026-08-19 00:43 UTCGHSA enrichment
  13. 2026-08-18 13:48 UTCEPSS rescore
  14. 2026-08-18 11:32 UTCGHSA enrichment
  15. 2026-08-17 22:22 UTCGHSA enrichment
  16. 2026-08-17 21:41 UTCGHSA enrichment
  17. 2026-08-17 14:23 UTCEG score recompute
  18. 2026-08-17 14:23 UTCGHSA enrichment
  19. 2026-08-17 13:47 UTCEPSS rescore
  20. 2026-08-17 01:12 UTCEG score recompute
  21. 2026-08-17 01:12 UTCGHSA enrichment
  22. 2026-08-16 14:56 UTCEPSS rescore
  23. 2026-08-16 12:01 UTCEG score recompute
  24. 2026-08-16 12:01 UTCGHSA enrichment
  25. 2026-08-16 02:14 UTCEPSS rescore
  26. 2026-08-15 22:51 UTCGHSA enrichment
  27. 2026-08-15 09:40 UTCEG score recompute
  28. 2026-08-15 09:40 UTCGHSA enrichment
  29. 2026-08-15 01:30 UTCEPSS rescore
  30. 2026-08-14 20:29 UTCGHSA enrichment
  31. 2026-08-14 07:19 UTCEG score recompute
  32. 2026-08-14 07:19 UTCGHSA enrichment
  33. 2026-08-13 22:00 UTCEPSS rescore
  34. 2026-08-13 18:08 UTCGHSA enrichment
  35. 2026-08-13 04:58 UTCGHSA enrichment
  36. 2026-08-12 15:47 UTCEG score recompute
  37. 2026-08-12 15:47 UTCGHSA enrichment
  38. 2026-08-12 13:51 UTCEPSS rescore
  39. 2026-08-12 02:36 UTCEG score recompute
  40. 2026-08-12 02:36 UTCGHSA enrichment
  41. 2026-08-11 13:43 UTCEPSS rescore
  42. 2026-08-11 13:26 UTCGHSA enrichment
  43. 2026-08-11 00:13 UTCEG score recompute
  44. 2026-08-11 00:13 UTCGHSA enrichment
  45. 2026-08-11 00:00 UTCEPSS rescore
  46. 2026-08-10 11:02 UTCGHSA enrichment
  47. 2026-08-09 21:51 UTCEG score recompute
  48. 2026-08-09 21:51 UTCGHSA enrichment
  49. 2026-08-09 13:46 UTCEPSS rescore
  50. 2026-08-09 08:41 UTCGHSA enrichment
  51. 2026-08-08 19:31 UTCGHSA enrichment
  52. 2026-08-08 06:20 UTCGHSA enrichment
  53. 2026-08-07 17:10 UTCEG score recompute
  54. 2026-08-07 17:10 UTCGHSA enrichment
  55. 2026-08-07 03:59 UTCGHSA enrichment
  56. 2026-08-06 14:49 UTCEG score recompute
  57. 2026-08-06 14:49 UTCGHSA enrichment
  58. 2026-08-06 13:46 UTCEPSS rescore
  59. 2026-08-06 01:38 UTCEG score recompute
  60. 2026-08-06 01:38 UTCGHSA enrichment
  61. 2026-08-05 19:17 UTCEPSS rescore
  62. 2026-08-05 12:27 UTCGHSA enrichment
  63. 2026-08-04 23:09 UTCEG score recompute
  64. 2026-08-04 23:09 UTCGHSA enrichment
  65. 2026-08-04 15:10 UTCEPSS rescore
  66. 2026-08-04 10:38 UTCEPSS rescore
  67. 2026-08-04 09:59 UTCGHSA enrichment
  68. 2026-08-03 20:48 UTCEG score recompute
  69. 2026-08-03 20:48 UTCGHSA enrichment
  70. 2026-08-03 10:36 UTCEPSS rescore
  71. 2026-08-03 07:38 UTCGHSA enrichment
  72. 2026-08-02 18:27 UTCGHSA enrichment
  73. 2026-08-02 05:17 UTCEG score recompute
  74. 2026-08-02 05:17 UTCGHSA enrichment
  75. 2026-08-02 02:27 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-43673?
CVE-2026-43673 is a high vulnerability published on July 27, 2026. The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted audio file may corrupt…
When was CVE-2026-43673 disclosed?
CVE-2026-43673 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43673 actively exploited?
CVE-2026-43673 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 92.7% of all scored CVEs.
What is the CVSS score of CVE-2026-43673?
CVE-2026-43673 has a CVSS v3.1 base score of 7.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-43673?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43673, 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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