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.
Should You Worry?
- 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.
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
| Product | Versions |
|---|---|
| Apple iOS | unspecified to before iOS 12.2 |
| Apple tvOS | unspecified to before tvOS 12.2 |
| Apple watchOS | unspecified to before watchOS 5.2 |
| Apple Safari | unspecified to before Safari 12.1 |
| Apple iTunes for Windows | unspecified to before iTunes 12.9.4 for Windows |
| Apple iCloud for Windows | unspecified to before iCloud for Windows 7.11 |
From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.
What To Do Now
- 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
- 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
Prove it is fixed
Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.
Penetration Testing
Vendor Advisories
The Compliance Clock
General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.
Not Sure If You Are Exposed?
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