CVE-2025-43481
📋 TL;DR
This macOS vulnerability allows malicious applications to escape their security sandbox, potentially accessing system resources or other applications' data. It affects macOS Sequoia before version 15.7.2 and macOS Tahoe before version 26.1. Users running these operating systems without the latest updates are vulnerable.
💻 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 gain unauthorized access to sensitive system files, user data, or other applications' sandboxed content, potentially leading to data theft, privilege escalation, or system compromise.
Likely Case
Malicious apps distributed through unofficial channels could bypass sandbox restrictions to access user documents, keychain data, or other protected resources.
If Mitigated
With proper app vetting and security controls, the risk is limited to untrusted applications that manage to bypass Gatekeeper and other macOS security mechanisms.
🎯 Exploit Status
Exploitation requires user to install and run a malicious application. Apple has not disclosed technical details of the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.7.2, macOS Tahoe 26.1
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
Restrict App Installation Sources
allConfigure macOS to only allow apps from the App Store and identified developers
sudo spctl --master-enable
Enable Full Disk Access Restrictions
allReview and restrict Full Disk Access permissions for all applications
🧯 If You Can't Patch
- Restrict user installation of third-party applications to App Store only
- Implement application allowlisting to prevent execution of unauthorized apps
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is Sequoia before 15.7.2 or Tahoe before 26.1, system is vulnerable.Check Version:
sw_versVerify Fix Applied:
Verify macOS version is 15.7.2 or later for Sequoia, or 26.1 or later for Tahoe.📡 Detection & Monitoring
Log Indicators:
- Console.app logs showing sandbox violations or unexpected app behavior
- Security logs showing app permission escalation attempts
Network Indicators:
- Unusual outbound connections from sandboxed applications
SIEM Query:
source="macOS" AND (event="sandbox_violation" OR process="sandboxd")