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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2019-8605

Apple Multiple Products Use-After-Free Vulnerability

KEVEXPLOIT ×2 ✓HIGH 7.8EPSS 17.6%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 July 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

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 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
17.61% probability · 97th percentile
Public exploits
2 in Exploit-DB · verified · first 21 May 2019
CISA KEV
Listed 27 June 2022 · due 18 July 2022
Weakness
CWE-416
Affected
apple/iphone os · apple/mac os x · apple/tvos · apple/watchos
Source
product-security@apple.com
EPSS trend
0%10%20%26 October 2026: 17.61%26 October 202626 October 2026

EPSS 17.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-8605

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-47409source ↗iOS < 12.4.1 - 'Jailbreak' Local Privilege Escalationios · Umang Raghuvanshilocal23 September 2019no
EDB-46892source ↗Apple macOS < 10.14.5 / iOS < 12.3 XNU - 'in6_pcbdetach' Stale Pointer Use-After-Freemultiple · Google Security Researchdos21 May 2019yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.