CVE-2023-32434

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-06-23), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 52%CVSS: 7.8Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 0

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

An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
52%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

June 23, 2023

Last Modified

October 23, 2025

Advisory Details (9)

Auto-updated Jun 4, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Full Disclosure: APPLE-SA-10-25-2023-3 iOS 15.8 and iPadOS 15.8

http://seclists.org/fulldisclosure/2023/Oct/20
generic🔴 Active Exploitation

About the security content of iOS 15.8 and iPadOS 15.8 - Apple Support

https://support.apple.com/kb/HT213990
generic🔴 Active Exploitation

About the security content of iOS 16.5.1 and iPadOS 16.5.1 - Apple Support

https://support.apple.com/en-us/HT213814
generic🔴 Active Exploitation

About the security content of macOS Ventura 13.4.1 - Apple Support

https://support.apple.com/en-us/HT213813
generic🔴 Active Exploitation

About the security content of watchOS 9.5.2 - Apple Support

https://support.apple.com/en-us/HT213812
generic🔴 Active Exploitation

About the security content of iOS 15.7.7 and iPadOS 15.7.7 - Apple Support

https://support.apple.com/en-us/HT213811
generic🔴 Active Exploitation

- Apple Support

https://support.apple.com/en-us/HT213810
generic🔴 Active Exploitation

About the security content of macOS Big Sur 11.7.8 - Apple Support

https://support.apple.com/en-us/HT213809
generic🔴 Active Exploitation

About the security content of watchOS 8.8.1 - Apple Support

https://support.apple.com/en-us/HT213808

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 43× in last 7d / 207× 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 430 total refreshes for this CVE.

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

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 PoCalfiecg24/Trigon
    First seen Mar 1, 2025

    Deterministic kernel exploit based on CVE-2023-32434.

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2023-32434?
CVE-2023-32434 is a critical vulnerability published on June 23, 2023. An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with…
When was CVE-2023-32434 disclosed?
CVE-2023-32434 was first published in the National Vulnerability Database on June 23, 2023, with the most recent update on October 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-32434 actively exploited?
Yes. CISA added CVE-2023-32434 to the Known Exploited Vulnerabilities catalog on June 23, 2023, affecting Apple Multiple Products. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-32434?
CVE-2023-32434 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-32434?
CVE-2023-32434 affects Apple Multiple Products. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-32434?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-32434, 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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