CVE-2025-43333
📋 TL;DR
A permissions vulnerability in macOS allows applications to escalate privileges to root level. This affects macOS systems running versions prior to Tahoe 26. Attackers could exploit this to gain full system control.
💻 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
Complete system compromise with root-level persistence, data theft, and backdoor installation
Likely Case
Local privilege escalation allowing malicious apps to bypass security controls and access protected resources
If Mitigated
Limited impact if proper application sandboxing and least privilege principles are enforced
🎯 Exploit Status
Requires local application execution; exploit details not publicly available
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Tahoe 26
Vendor Advisory: https://support.apple.com/en-us/125110
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Tahoe 26 update 5. Restart when prompted
🔧 Temporary Workarounds
Restrict application execution
macosLimit execution of untrusted applications through macOS security policies
Enable full disk access restrictions
macosConfigure macOS Privacy & Security settings to restrict application permissions
🧯 If You Can't Patch
- Implement strict application allowlisting to prevent execution of untrusted applications
- Use macOS Privacy & Security controls to restrict application permissions and sandboxing
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is earlier than Tahoe 26, system is vulnerableCheck Version:
sw_versVerify Fix Applied:
Verify macOS version shows Tahoe 26 or later in System Settings > General > About📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation events in system logs
- Unexpected root process execution
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
source="macos_system_logs" AND (event="privilege_escalation" OR process="sudo" OR user="root")