CVE-2019-8605

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 2022-06-27), 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: 17%CVSS: 7.8Exploit: cisa kev · ssvc active · Exploit-DB (verified) · epss top5pct · public exploitExposed: 0

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

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to execute arbitrary code with system privileges.

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
17%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

December 18, 2019

Last Modified

October 23, 2025

Advisory Details (5)

Auto-updated Jun 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8605
generic

About the security content of watchOS 5.2.1 - Apple Support

https://support.apple.com/HT210122
generic

About the security content of tvOS 12.3 - Apple Support

https://support.apple.com/HT210120
generic

About the security content of macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra - Apple Support

https://support.apple.com/HT210119
generic

About the security content of iOS 12.3 - Apple Support

https://support.apple.com/HT210118

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 55× in last 7d / 203× 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 615 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-47409
    First seen Sep 23, 2019

    iOS < 12.4.1 - 'Jailbreak' Local Privilege Escalation

    Open source ↗
  • Exploit-DBEDB-46892✓ verified
    First seen May 21, 2019

    Apple macOS < 10.14.5 / iOS < 12.3 XNU - 'in6_pcbdetach' Stale Pointer Use-After-Free

    Open source ↗

Frequently asked(6)

What is CVE-2019-8605?
CVE-2019-8605 is a critical vulnerability published on December 18, 2019. A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to execute arbitrary code with system privileges.
When was CVE-2019-8605 disclosed?
CVE-2019-8605 was first published in the National Vulnerability Database on December 18, 2019, 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-2019-8605 actively exploited?
Yes. CISA added CVE-2019-8605 to the Known Exploited Vulnerabilities catalog on June 27, 2022, 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-2019-8605?
CVE-2019-8605 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-2019-8605?
CVE-2019-8605 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-2019-8605?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-8605, 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

Explore the affected products and dependency analysis for CVE-2019-8605

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