CVE-2025-43198
📋 TL;DR
This vulnerability allows malicious applications to bypass macOS security protections and access sensitive user data they shouldn't have permission to access. It affects macOS systems running vulnerable versions, potentially exposing personal information, credentials, or other protected data to unauthorized applications.
💻 Affected Systems
- macOS
📦 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 compromise of user data including passwords, financial information, personal documents, and authentication tokens leading to identity theft, financial fraud, or further system compromise.
Likely Case
Unauthorized access to specific protected data stores like keychain, user documents, or application data by malicious apps installed on the system.
If Mitigated
Limited data exposure if proper application sandboxing and least privilege principles are already implemented, though the vulnerability bypasses some built-in protections.
🎯 Exploit Status
Exploitation requires a malicious application to be installed and executed on the target system. The vulnerability appears to be an improper access control issue that apps can leverage.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.6, macOS Sonoma 14.7.7
Vendor Advisory: https://support.apple.com/en-us/124149
Restart Required: Yes
Instructions:
1. Open System Settings > General > Software Update
2. Install available updates for macOS
3. Restart the system when prompted
4. Verify the update completed successfully
🔧 Temporary Workarounds
Application Restriction
allRestrict installation and execution of untrusted applications to reduce attack surface
sudo spctl --master-enable
sudo spctl --enable --label "Developer ID"
Enhanced Monitoring
allMonitor for unusual application behavior and data access patterns
sudo log config --mode "level:debug" --subsystem com.apple.TCC
🧯 If You Can't Patch
- Implement strict application allowlisting to prevent execution of untrusted applications
- Use endpoint detection and response (EDR) tools to monitor for suspicious data access patterns
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is earlier than macOS Sequoia 15.6 or macOS Sonoma 14.7.7, the system is vulnerable.Check Version:
sw_versVerify Fix Applied:
After update, verify macOS version shows 15.6 (Sequoia) or 14.7.7 (Sonoma) or later in System Settings > General > About.📡 Detection & Monitoring
Log Indicators:
- Unusual TCC (Transparency, Consent, and Control) log entries showing unexpected application data access
- Console.app logs showing applications accessing protected resources without proper authorization
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
source="macos" AND (event_category="tcc" OR event_category="privacy") AND action="access" AND result="allowed" AND user NOT IN ["expected_users"]