CVE-2025-43364
📋 TL;DR
A race condition vulnerability in macOS allows malicious applications to escape their security sandbox. This affects macOS Sonoma and Sequoia users running versions before the security updates. The vulnerability could enable unauthorized access to system resources.
💻 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
Malicious app gains full system access, potentially leading to data theft, ransomware deployment, or complete system compromise.
Likely Case
Malicious app accesses restricted files or system resources it shouldn't have permission to access.
If Mitigated
App remains contained within sandbox with no privilege escalation.
🎯 Exploit Status
Requires user to install and run malicious application. Race conditions are timing-sensitive and difficult to exploit reliably.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sonoma 14.8, macOS Sequoia 15.7
Vendor Advisory: https://support.apple.com/en-us/125111
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install available updates 5. Restart when prompted
🔧 Temporary Workarounds
Application Restriction
allOnly install applications from trusted sources like the Mac App Store
🧯 If You Can't Patch
- Restrict application installation to only trusted sources
- Use endpoint protection software to detect suspicious application behavior
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > AboutCheck Version:
sw_versVerify Fix Applied:
Verify macOS version is 14.8 or later for Sonoma, or 15.7 or later for Sequoia📡 Detection & Monitoring
Log Indicators:
- Unexpected sandbox violations in system logs
- Applications accessing resources outside their sandbox
Network Indicators:
- Unusual outbound connections from sandboxed applications
SIEM Query:
process where parent_process_name contains "sandbox" and event_type = "process_access"