Actively exploited

CVE-2019-8506 Apple Multiple Products Type Confusion Vulnerability

A type confusion issue affecting multiple Apple products allows processing of maliciously crafted web content, leading to arbitrary code execution.

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 4 May 2022.
  • Rated High severity (CVSS 8.8, scored by CISA).
  • It has been in the catalogue for 1,647 days. Systems still unpatched now have almost certainly been scanned for it.
The Vulnerability

What It Is

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected Versions

ProductVersions
Apple iOSunspecified to before iOS 12.2
Apple tvOSunspecified to before tvOS 12.2
Apple watchOSunspecified to before watchOS 5.2
Apple Safariunspecified to before Safari 12.1
Apple iTunes for Windowsunspecified to before iTunes 12.9.4 for Windows
Apple iCloud for Windowsunspecified to before iCloud for Windows 7.11

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?

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