CVE-2019-8605
HighExploitedPublic exploitA use after free issue was addressed with improved memory management.
Published Dec 18, 2019 · Updated Oct 23, 2025
Key Facts
Patch immediately- CVE-2019-8605 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Iphone OS (Apple), Mac OS X (Apple), tvOS (Apple) and 3 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 23, 2022. Public exploit code is available.
- EPSS estimates a 18% probability of exploitation in the next 30 days.
- Fixed versions are available, including Iphone OS 12.3, Mac OS X 10.14.5, tvOS 12.3.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
18%
Higher than 97.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2019-8605 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jun 27, 2022 | Jul 18, 2022 | Not reported |
| Industry KEV feed | Jun 23, 2022 | Jul 18, 2022 | Not reported |
| CIRCL KEV | Jun 27, 2022 | Jul 18, 2022 | Not reported |
| ENISA EUVD | Jun 27, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Iphone OSApple | See advisory | 12.3 |
| Mac OS XApple | See advisory | 10.14.5 |
| tvOSApple | >= unspecified | 12.3 |
| watchOSApple | >= unspecified | 5.2.1 |
| iOS | >= unspecified | iOS 12.3 |
Patched Releases
Iphone OS
12.3
Mac OS X
10.14.5
tvOS
12.3, tvOS 12.3
watchOS
5.2.1, watchOS 5.2.1
iOS
iOS 12.3
macOS
macOS Mojave 10.14.5
Timeline
Publicly disclosed
Dec 18, 2019
Added to Industry KEV feed
Jun 23, 2022
Added to CISA KEV
Jun 27, 2022
Added to CIRCL KEV
Jun 27, 2022
Added to ENISA EUVD
Jun 27, 2022
Last updated
Oct 23, 2025
Weakness Type
- CWE-416 Use After Free
References
- advisoryhttps://support.apple.com/HT210118
- advisoryhttps://support.apple.com/HT210119
- advisoryhttps://support.apple.com/HT210120
- advisoryhttps://support.apple.com/HT210122
- exploitVulnCheck exploitation report
FAQ
Common Questions.
A use after free issue was addressed with improved memory management.
Affected: Iphone OS (Apple); Mac OS X (Apple); tvOS (Apple) versions >= unspecified, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 23, 2022.
Yes. It was added on Jun 27, 2022 with a federal remediation due date of Jul 18, 2022.
Public exploit code is available.
Fixed versions are available, including Iphone OS 12.3, Mac OS X 10.14.5, tvOS 12.3.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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