CVE-2025-24108
📋 TL;DR
This macOS vulnerability allows applications to bypass sandbox restrictions and access protected user data. It affects macOS systems before Sequoia 15.3. Users running vulnerable macOS versions are at risk of data exposure.
💻 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 →⚠️ Risk & Real-World Impact
Worst Case
Malicious app could access sensitive user data including documents, photos, credentials, or other protected information stored on the system.
Likely Case
Malware or compromised applications could exfiltrate user data without proper authorization.
If Mitigated
With proper app vetting and security controls, risk is limited to trusted-but-malicious applications.
🎯 Exploit Status
Exploitation requires convincing user to install and run a malicious application or compromising an existing application.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.3
Vendor Advisory: https://support.apple.com/en-us/122068
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Sequoia 15.3 update 5. Restart when prompted
🔧 Temporary Workarounds
Restrict Application Installation
macosOnly allow installation of applications from App Store and identified developers
sudo spctl --master-enable
sudo spctl --enable --label "Mac App Store"
sudo spctl --enable --label "Developer ID"
Enable Full Disk Access Restrictions
macosReview and restrict Full Disk Access permissions for applications
🧯 If You Can't Patch
- Implement application allowlisting to restrict which applications can run
- Use endpoint detection and response (EDR) to monitor for suspicious application behavior
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is earlier than 15.3, system is vulnerable.Check Version:
sw_versVerify Fix Applied:
Verify macOS version shows 15.3 or later in System Settings > General > About.📡 Detection & Monitoring
Log Indicators:
- Unusual application accessing protected directories
- Sandbox violation logs in Console.app
- Unexpected file access patterns
Network Indicators:
- Unexpected outbound data transfers from applications
- Connections to suspicious domains by applications
SIEM Query:
source="macos" (event_type="sandbox_violation" OR event_type="file_access") AND (path CONTAINS "/Users/" OR path CONTAINS "/Library/")