CVE-2025-43329
📋 TL;DR
This CVE describes a sandbox escape vulnerability in Apple's mobile operating systems where an app can bypass its security restrictions. It affects iOS, iPadOS, tvOS, and watchOS users running vulnerable versions. Successful exploitation allows malicious apps to access system resources and user data beyond their intended permissions.
💻 Affected Systems
- iOS
- iPadOS
- tvOS
- watchOS
📦 What is this software?
Ipados by Apple
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 →Tvos by Apple
Watchos by Apple
⚠️ Risk & Real-World Impact
Worst Case
A malicious app could gain full system access, steal sensitive user data, install persistent malware, or compromise the entire device.
Likely Case
Malicious apps could access other apps' data, read system files, or perform unauthorized actions with elevated privileges.
If Mitigated
With proper app vetting and security controls, exploitation would be limited to sophisticated attacks requiring user installation of malicious apps.
🎯 Exploit Status
Exploitation requires user to install a malicious app. No public proof-of-concept has been disclosed as of the provided references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: iOS 26, iPadOS 26, tvOS 26, watchOS 26
Vendor Advisory: https://support.apple.com/en-us/125108
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Go to General > Software Update. 3. Download and install the latest update (iOS/iPadOS/tvOS/watchOS 26 or later). 4. Restart device when prompted.
🔧 Temporary Workarounds
Restrict App Installation
allOnly install apps from the official App Store and avoid sideloading or third-party app stores.
Enable App Review Restrictions
allUse Screen Time restrictions to prevent app installations without approval.
🧯 If You Can't Patch
- Isolate affected devices from sensitive networks and data
- Implement mobile device management (MDM) with strict app whitelisting
🔍 How to Verify
Check if Vulnerable:
Check device version in Settings > General > About > Software Version. If version is below iOS 26, iPadOS 26, tvOS 26, or watchOS 26, the device is vulnerable.Check Version:
Settings > General > About > Software Version (no CLI command available)Verify Fix Applied:
After updating, verify the Software Version shows iOS 26, iPadOS 26, tvOS 26, or watchOS 26 or later.📡 Detection & Monitoring
Log Indicators:
- Unusual app behavior logs
- Sandbox violation logs in system logs
- MDM policy violation alerts
Network Indicators:
- Unexpected network connections from apps
- Data exfiltration patterns from mobile devices
SIEM Query:
source="mobile_device" AND (event_type="sandbox_violation" OR app_behavior="unusual")