CVE-2025-46281
📋 TL;DR
This CVE describes a sandbox escape vulnerability in macOS that allows malicious applications to bypass security restrictions. An attacker could execute code outside the intended sandbox environment, potentially accessing sensitive data or system resources. This affects macOS users running vulnerable versions.
💻 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
Full system compromise where an attacker gains elevated privileges, accesses all user data, and potentially installs persistent malware or ransomware.
Likely Case
Malicious app steals sensitive user data (passwords, documents, credentials) and performs unauthorized actions with the user's privileges.
If Mitigated
Limited data exposure from the compromised application's context, with no system-wide access due to additional security controls.
🎯 Exploit Status
Requires user interaction to execute malicious application. The logic issue suggests exploitation requires specific conditions to trigger the sandbox escape.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Tahoe 26.2
Vendor Advisory: https://support.apple.com/en-us/125886
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Tahoe 26.2 update 5. Restart when prompted
🔧 Temporary Workarounds
Application Whitelisting
allRestrict execution to only trusted applications using macOS security policies
Enhanced Monitoring
allMonitor for unexpected application behavior or sandbox violations
🧯 If You Can't Patch
- Implement strict application control policies to prevent untrusted applications from running
- Use network segmentation to limit potential lateral movement if exploitation occurs
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is earlier than Tahoe 26.2, system is vulnerable.Check Version:
sw_versVerify Fix Applied:
Verify macOS version shows Tahoe 26.2 or later in System Settings > General > About.📡 Detection & Monitoring
Log Indicators:
- Unexpected sandbox violations in system logs
- Applications accessing resources outside their declared entitlements
- Processes spawning with unexpected parent-child relationships
Network Indicators:
- Unusual outbound connections from sandboxed applications
- Data exfiltration patterns from typically isolated processes
SIEM Query:
source="macos_system_logs" AND (event="sandbox_violation" OR process_access="unauthorized_resource")