CVE-2025-43335
📋 TL;DR
This macOS vulnerability allows applications to access sensitive user data they shouldn't have permission to view. It affects macOS systems running vulnerable versions before the security updates. Users with unpatched macOS installations 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 →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 access and exfiltrate sensitive user data including passwords, personal documents, or authentication tokens.
Likely Case
Legitimate but poorly secured applications could inadvertently access user data they shouldn't see, potentially exposing personal information.
If Mitigated
With proper application sandboxing and user permission controls, the impact would be limited to specific data types within the application's allowed scope.
🎯 Exploit Status
Exploitation requires a malicious or compromised application to be installed and executed on the target system. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.7.2, macOS Tahoe 26.1, macOS Sonoma 14.8.2
Vendor Advisory: https://support.apple.com/en-us/125634
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
macosRestrict installation and execution of untrusted applications using macOS security settings
sudo spctl --master-enable
sudo spctl --enable --label "Mac App Store"
sudo spctl --enable --label "Developer ID"
🧯 If You Can't Patch
- Implement strict application allowlisting to prevent unauthorized applications from running
- Use macOS privacy controls to limit application access to sensitive data categories
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is earlier than Sequoia 15.7.2, Tahoe 26.1, or Sonoma 14.8.2, system is vulnerable.Check Version:
sw_versVerify Fix Applied:
Verify macOS version shows Sequoia 15.7.2, Tahoe 26.1, or Sonoma 14.8.2 or later in System Settings > General > About.📡 Detection & Monitoring
Log Indicators:
- Unusual application access patterns to protected data directories
- Console logs showing permission errors or access violations
Network Indicators:
- Unexpected outbound data transfers from applications that shouldn't access sensitive data
SIEM Query:
source="macos" (event_type="file_access" AND path CONTAINS "/Users/" AND path CONTAINS "/Library/" AND NOT process IN allowed_apps)