Actively exploited

CVE-2019-8605 Apple Multiple Products Use-After-Free Vulnerability

A use-after-free vulnerability in Apple iOS, macOS, tvOS, and watchOS could allow a malicious application to execute code with system privileges.

From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.

Our Assessment

Should You Worry?

Patch urgentlyCybergen assessment
  • CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 27 Jun 2022.
  • Rated High severity (CVSS 7.8, scored by CISA).
  • It has been in the catalogue for 1,593 days. Systems still unpatched now have almost certainly been scanned for it.
The Vulnerability

What It Is

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.

Affected Versions

ProductVersions
Apple iOSunspecified to before iOS 12.3
Apple macOSunspecified to before macOS Mojave 10.14.5
Apple tvOSunspecified to before tvOS 12.3
Apple watchOSunspecified to before watchOS 5.2.1

From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.

From Watch to Action

What To Do Now

  1. 1

    Find it

    Search your asset inventory and external attack surface for Apple Multiple Products. Include cloud images, appliances and anything a supplier runs for you.

    Attack Surface Management
  2. 2

    Fix it

    Apply updates per vendor instructions.

    Vulnerability Management
  3. 3

    Hunt for compromise

    If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.

    Incident Response
  4. 4

    Prove it is fixed

    Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.

    Penetration Testing

Not Sure If You Are Exposed?

Our attack surface and vulnerability teams can check your internet-facing estate for CVE-2019-8605 and every other exploited flaw on the list.

Check My Exposure