CVE-2019-6214

HIGH

iPhone OS < 12.1.3, macOS < 10.14.3, tvOS < 12.1.2, watchOS < 5.1.3 - Sandbox Escape via Type Confusion

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-6214. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a type confusion and memory safety issue in the `com.apple.iohideventsystem` service on macOS and iOS. It triggers a use-after-free (UaF) by calling `io_hideventsystem_unregister_record_service_changed_notification` multiple times, leading to arbitrary reference drops on an `IOHIDEventSystem` object.

Description

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A malicious application may be able to break out of its sandbox.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · cdosmultiple
https://www.exploit-db.com/exploits/46298

This exploit demonstrates a type confusion and memory safety issue in the `com.apple.iohideventsystem` service on macOS and iOS. It triggers a use-after-free (UaF) by calling `io_hideventsystem_unregister_record_service_changed_notification` multiple times, leading to arbitrary reference drops on an `IOHIDEventSystem` object.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Apple macOS 10.14.1 (18B75) and iOS (hidd/backboardd)
No auth needed
Prerequisites: Access to the target system · Ability to execute code on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT209446
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT209443
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46298/
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT209448
Third Party Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106739
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT209447

Scores

CVSS v3 8.6
EPSS 0.0842
EPSS Percentile 92.5%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Details

CWE
CWE-843
Status published
Products (4)
apple/iphone_os < 12.1.3
apple/mac_os_x < 10.14.3
apple/tv_os < 12.1.2
apple/watchos < 5.1.3
Published Mar 05, 2019
Tracked Since Feb 18, 2026