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.
CVE-2019-8605
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.
- Actively exploited in the wild (CISA-KEV)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- 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 computedSeverity90% × 45%Exploitation100% × 40%Automatability0% × 15%Action: Remediate soon — notable exploitation risk. - EPSS
- 96.8%
- KEV
- ⚠ Exploited
Published
December 18, 2019
Last Modified
October 23, 2025
Advisory Details (5)
Auto-updated Jun 3, 2026Known 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-2019-8605About the security content of watchOS 5.2.1 - Apple Support
https://support.apple.com/HT210122About 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/HT210119Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 51× in last 7d / 216× 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 415 total refreshes for this CVE.
- 2026-07-24 14:14 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:47 UTCEG score recompute
- 2026-07-22 22:08 UTCEG score recompute
- 2026-07-22 22:08 UTCGHSA enrichment
- 2026-07-22 19:40 UTCCISA KEV update
- 2026-07-22 17:47 UTCEG score recompute
- 2026-07-22 17:47 UTCGHSA enrichment
- 2026-07-22 14:05 UTCEPSS rescore
- 2026-07-22 13:26 UTCGHSA enrichment
- 2026-07-22 09:06 UTCGHSA enrichment
- 2026-07-22 04:45 UTCGHSA enrichment
- 2026-07-22 00:24 UTCGHSA enrichment
- 2026-07-21 19:37 UTCEG score recompute
- 2026-07-21 19:37 UTCGHSA enrichment
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:15 UTCGHSA enrichment
- 2026-07-21 14:37 UTCCISA KEV update
- 2026-07-21 10:55 UTCGHSA enrichment
- 2026-07-21 06:33 UTCGHSA enrichment
- 2026-07-21 02:11 UTCGHSA enrichment
- 2026-07-20 21:49 UTCGHSA enrichment
- 2026-07-20 17:28 UTCEG score recompute
- 2026-07-20 17:28 UTCGHSA enrichment
Show 75 moreShow fewer
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-20 13:07 UTCGHSA enrichment
- 2026-07-20 08:47 UTCGHSA enrichment
- 2026-07-20 04:27 UTCGHSA enrichment
- 2026-07-20 00:06 UTCGHSA enrichment
- 2026-07-19 19:45 UTCGHSA enrichment
- 2026-07-19 15:25 UTCEG score recompute
- 2026-07-19 15:25 UTCGHSA enrichment
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 11:03 UTCGHSA enrichment
- 2026-07-19 06:42 UTCEG score recompute
- 2026-07-19 06:42 UTCGHSA enrichment
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:21 UTCGHSA enrichment
- 2026-07-18 22:00 UTCGHSA enrichment
- 2026-07-18 17:40 UTCGHSA enrichment
- 2026-07-18 13:20 UTCEG score recompute
- 2026-07-18 13:20 UTCGHSA enrichment
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-18 08:59 UTCGHSA enrichment
- 2026-07-18 04:38 UTCGHSA enrichment
- 2026-07-18 00:17 UTCGHSA enrichment
- 2026-07-17 19:56 UTCGHSA enrichment
- 2026-07-17 15:33 UTCGHSA enrichment
- 2026-07-17 11:13 UTCGHSA enrichment
- 2026-07-17 06:52 UTCGHSA enrichment
- 2026-07-17 02:25 UTCGHSA enrichment
- 2026-07-16 22:05 UTCGHSA enrichment
- 2026-07-16 17:43 UTCGHSA enrichment
- 2026-07-16 17:04 UTCCISA KEV update
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 13:22 UTCGHSA enrichment
- 2026-07-16 08:59 UTCGHSA enrichment
- 2026-07-16 04:39 UTCGHSA enrichment
- 2026-07-16 00:18 UTCGHSA enrichment
- 2026-07-15 19:58 UTCGHSA enrichment
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 16:49 UTCCISA KEV update
- 2026-07-15 15:37 UTCGHSA enrichment
- 2026-07-15 15:04 UTCCISA KEV update
- 2026-07-15 11:17 UTCGHSA enrichment
- 2026-07-15 06:57 UTCGHSA enrichment
- 2026-07-15 02:36 UTCGHSA enrichment
- 2026-07-15 01:57 UTCEPSS rescore
- 2026-07-14 22:14 UTCGHSA enrichment
- 2026-07-14 18:05 UTCCISA KEV update
- 2026-07-14 17:54 UTCGHSA enrichment
- 2026-07-14 13:28 UTCGHSA enrichment
- 2026-07-14 09:07 UTCGHSA enrichment
- 2026-07-14 04:47 UTCGHSA enrichment
- 2026-07-14 00:26 UTCGHSA enrichment
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 20:06 UTCGHSA enrichment
- 2026-07-13 17:07 UTCCISA KEV update
- 2026-07-13 15:45 UTCGHSA enrichment
- 2026-07-13 11:24 UTCGHSA enrichment
- 2026-07-13 07:03 UTCGHSA enrichment
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-13 02:43 UTCGHSA enrichment
- 2026-07-12 22:23 UTCGHSA enrichment
- 2026-07-12 18:03 UTCGHSA enrichment
- 2026-07-12 13:41 UTCGHSA enrichment
- 2026-07-12 09:20 UTCGHSA enrichment
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-12 04:59 UTCGHSA enrichment
- 2026-07-12 00:39 UTCGHSA enrichment
- 2026-07-11 20:19 UTCGHSA enrichment
- 2026-07-11 15:58 UTCGHSA enrichment
- 2026-07-11 11:37 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-47409First seen Sep 23, 2019
iOS < 12.4.1 - 'Jailbreak' Local Privilege Escalation
Open source ↗ - Exploit-DBEDB-46892✓ verifiedFirst seen May 21, 2019
Apple macOS < 10.14.5 / iOS < 12.3 XNU - 'in6_pcbdetach' Stale Pointer Use-After-Free
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-416
- CVE-2010-3962NVD 8.1EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-0806NVD 8.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-0249NVD 8.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2009-4324NVD 7.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-3328EG 8.8EPSS 98%HIGH
- CVE-2010-1772EG 8.8HIGH
- CVE-2010-1208EG 8.8EPSS 92%HIGH
- CVE-2010-0050EG 8.8EPSS 96%HIGH
- CVE-2010-0378EG 8.8EPSS 93%HIGH
- CVE-2009-3658EG 8.8EPSS 95%HIGH
Frequently asked(6)
What is CVE-2019-8605?
When was CVE-2019-8605 disclosed?
Is CVE-2019-8605 actively exploited?
What is the CVSS score of CVE-2019-8605?
Which products are affected by CVE-2019-8605?
How do I remediate CVE-2019-8605?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2019-8605
Is Your Infrastructure Affected by CVE-2019-8605?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.