CVE-2025-43538
📋 TL;DR
This CVE describes a logging data exposure vulnerability in Apple operating systems where applications could access sensitive user data through insufficiently redacted logs. It affects multiple Apple platforms including iOS, iPadOS, macOS, watchOS, and visionOS. The vulnerability allows unauthorized data access through system logs.
💻 Affected Systems
- iOS
- iPadOS
- macOS
- watchOS
- visionOS
📦 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 →⚠️ Risk & Real-World Impact
Worst Case
Malicious applications could extract sensitive user information including credentials, personal data, or authentication tokens from system logs, leading to data breaches or account compromise.
Likely Case
Applications with appropriate permissions could inadvertently access or log sensitive information that should be redacted, potentially exposing user data to developers or other apps.
If Mitigated
With proper app sandboxing and minimal permissions, exposure would be limited to non-sensitive data within the app's own context.
🎯 Exploit Status
Exploitation requires developing or modifying an app to access system logs. No public exploit code has been identified at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: watchOS 26.2, macOS Sonoma 14.8.3, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2
Vendor Advisory: https://support.apple.com/en-us/125884
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install the latest available update for your device. 4. Restart device when prompted.
🔧 Temporary Workarounds
Restrict App Permissions
allLimit app permissions to minimize potential data exposure through logs
Disable Debug Logging
allDisable system debug logging features in production environments
🧯 If You Can't Patch
- Implement strict app vetting and installation controls through MDM solutions
- Monitor for unusual app behavior and log access patterns
🔍 How to Verify
Check if Vulnerable:
Check device version in Settings > General > About > Software VersionCheck Version:
Settings > General > About > Software Version (iOS/iPadOS/watchOS/visionOS) or Apple menu > About This Mac (macOS)Verify Fix Applied:
Verify installed version matches or exceeds patched versions listed in the fix information📡 Detection & Monitoring
Log Indicators:
- Unusual log access patterns by applications
- Log entries containing sensitive data that should be redacted
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Not applicable - primarily local device logging issue