CVE-2019-8605

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.176 · 97 %ileexploit · functionalEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 3 exploits · functional

Likely / severe?

17.6% (97th) EPSS

CVSS 9.3 · high

Is it mine?

12 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-06-27remediate by 2022-07-18

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Apple Multiple Products Use-After-Free Vulnerability

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

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-416US

exploits (3)

Public proof-of-concept and weaponised exploit code.

EDB-46892Apple macOS < 10.14.5 / iOS < 12.3 XNU - 'in6_pcbdetach' Stale Pointer Use-After-Freefunctional · exploit_db
EDB-47409iOS < 12.4.1 - 'Jailbreak' Local Privilege EscalationPoC · exploit_db
1nteger-c/CVE-2019-86051nteger-c/CVE-2019-8605PoC · poc_in_github

affected products (12)

Products and version ranges known to be affected.

Apple IOSunspecified → iOS 12.3enisa_euvdEU
Apple macOSunspecified → macOS Mojave 10.14.5enisa_euvdEU
Apple tvOSunspecified → tvOS 12.3enisa_euvdEU
Apple watchOSunspecified → watchOS 5.2.1enisa_euvdEU
Apple Inc. MacOS≤ 10.14.5fstec_bduRU
Apple Inc. iOS≤ 12.3fstec_bduRU
Apple Inc. tvOS≤ 12.3fstec_bduRU
Apple Inc. watchOS≤ 5.2.1fstec_bduRU
apple iphone os< 12.3nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple mac os x< 10.14.5nvdUScpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple tvos< 12.3nvdUScpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple watchos< 5.2.1nvdUScpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2019-12-18modified 2026-06-17

related (12,235)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-109619US	high8.1OT critical	100.0% (100th)	KEV	2026-10-21
PHP has various global state that temporarily points into request memory. In some scenarios, global state may not be correctly reset, or may be repopulated after being reset. The g…
CVE-2026-109618US	critical9.8OT critical	100.0% (100th)	KEV	2026-10-21
PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave…
CVE-2026-68820US	—OT critical	0.33% (26th)	KEV	2026-08-11
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-5281US	—OT critical	13.5% (96th)	KEV	2026-04-01
Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page…
CVE-2026-2441US	high8.8OT critical	55.0% (99th)	KEV	2026-02-13
Use after free in CSS in Google Chrome prior to 145.0.7632.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security sever…

+12230 more

references (35)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan