CVE-2025-43325
📋 TL;DR
This CVE describes a sandbox escape vulnerability in macOS that allows malicious applications to bypass security restrictions and access sensitive user data. The vulnerability affects macOS systems prior to version 26 (Tahoe). Users running vulnerable macOS versions are at risk of data exposure if they install or run malicious 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 →⚠️ Risk & Real-World Impact
Worst Case
A malicious app could access sensitive user data including passwords, financial information, personal documents, and other protected resources that should be sandboxed.
Likely Case
Malicious applications distributed through unofficial channels could access user data they shouldn't have permission to read, potentially leading to data theft or privacy violations.
If Mitigated
With proper application vetting and security controls, the risk is limited to trusted applications that might have vulnerabilities or to sophisticated targeted attacks.
🎯 Exploit Status
Exploitation requires a user to install and run a malicious application. No public exploit code is currently available based on the provided references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Tahoe 26
Vendor Advisory: https://support.apple.com/en-us/125110
Restart Required: No
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Tahoe 26 update 5. Follow on-screen instructions to complete installation
🔧 Temporary Workarounds
Application Restriction
macOSOnly install applications from trusted sources like the Mac App Store or verified developers
Gatekeeper Enforcement
macOSEnsure Gatekeeper is enabled to block applications from unidentified developers
sudo spctl --master-enable
🧯 If You Can't Patch
- Implement strict application whitelisting policies
- Use endpoint protection software with application control capabilities
- Educate users about risks of installing untrusted applications
- Monitor for unusual application behavior or data access patterns
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is earlier than 26, the system is vulnerable.Check Version:
sw_versVerify Fix Applied:
Verify macOS version shows 26 or later in System Settings > General > About.📡 Detection & Monitoring
Log Indicators:
- Unusual sandbox violation logs
- Applications accessing files outside their sandbox
- Console.app logs showing sandbox exceptions
Network Indicators:
- Unusual outbound connections from applications that shouldn't have network access
SIEM Query:
source="macos" AND (event_type="sandbox_violation" OR process_access="unauthorized")