CVE-2022-26714

7.8 HIGH

📋 TL;DR

This is a memory corruption vulnerability in Apple operating systems that allows an application to execute arbitrary code with kernel privileges. It affects multiple Apple platforms including iOS, macOS, tvOS, and watchOS. Attackers could gain complete control over affected devices.

💻 Affected Systems

Products:
  • iOS
  • iPadOS
  • macOS
  • tvOS
  • watchOS
Versions: Versions prior to iOS 15.5, iPadOS 15.5, tvOS 15.5, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.4, Security Update 2022-004 Catalina
Operating Systems: Apple iOS, Apple iPadOS, Apple macOS, Apple tvOS, Apple watchOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations are vulnerable. No special configuration required for exploitation.

📦 What is this software?

Macos by Apple

macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...

Learn more about Macos →

Macos by Apple

macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...

Learn more about Macos →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with kernel-level access, allowing attackers to install persistent malware, steal sensitive data, or create backdoors.

🟠

Likely Case

Targeted attacks against high-value individuals or organizations using malicious applications to gain full device control.

🟢

If Mitigated

Limited impact with proper application sandboxing and security controls, though kernel access bypasses many protections.

🌐 Internet-Facing: MEDIUM - Requires user interaction (installing/running malicious app) but doesn't require network exposure.
🏢 Internal Only: HIGH - Malicious insider or compromised internal application could exploit this for full device control.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires user to install/run malicious application. No public exploit code available at disclosure time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: iOS 15.5, iPadOS 15.5, tvOS 15.5, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.4, Security Update 2022-004 Catalina

Vendor Advisory: https://support.apple.com/en-us/HT213253

Restart Required: Yes

Instructions:

1. Go to Settings > General > Software Update on iOS/iPadOS/watchOS/tvOS. 2. Install available updates. 3. For macOS, go to System Preferences > Software Update. 4. Restart device after installation.

🔧 Temporary Workarounds

Application Restriction

all

Restrict installation of applications from untrusted sources

🧯 If You Can't Patch

  • Implement strict application allowlisting to prevent unauthorized app installation
  • Use mobile device management (MDM) to enforce security policies and monitor for suspicious activity

🔍 How to Verify

Check if Vulnerable:

Check current OS version against affected versions list

Check Version:

iOS/iPadOS: Settings > General > About > Version. macOS: Apple menu > About This Mac > macOS version. tvOS: Settings > General > About > Version. watchOS: Watch app on iPhone > General > About > Version.

Verify Fix Applied:

Verify OS version matches or exceeds patched versions listed in fix_official section

📡 Detection & Monitoring

Log Indicators:

  • Unexpected kernel extensions loading
  • Unusual process privilege escalation
  • Suspicious application installation events

Network Indicators:

  • Unusual outbound connections from system processes
  • Command and control traffic from kernel-level processes

SIEM Query:

process where parent_process_name contains "kernel" and process_name not in (expected_kernel_processes)

🔗 References

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