CVE-2025-24195
📋 TL;DR
An integer overflow vulnerability in macOS allows local users to elevate privileges by exploiting improper input validation. This affects macOS Ventura, Sequoia, and Sonoma versions before the patched releases. Attackers could gain root access on vulnerable systems.
💻 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 →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 access, enabling installation of persistent malware, data theft, and lateral movement across the network.
Likely Case
Local privilege escalation allowing attackers to bypass security controls, install unauthorized software, and access sensitive system resources.
If Mitigated
Limited impact with proper patch management and least privilege principles in place, though still a serious local vulnerability.
🎯 Exploit Status
Exploitation requires local access to the system. Public disclosures suggest proof-of-concept code exists, making weaponization likely.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Ventura 13.7.5, macOS Sequoia 15.4, macOS Sonoma 14.7.5
Vendor Advisory: https://support.apple.com/en-us/122373
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 local access
allLimit physical and remote local access to vulnerable systems through access controls and network segmentation
Implement least privilege
allEnsure users operate with minimal necessary privileges to reduce impact of successful exploitation
🧯 If You Can't Patch
- Isolate vulnerable systems from critical network segments
- Implement strict monitoring for privilege escalation attempts and unusual process behavior
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is earlier than Ventura 13.7.5, Sequoia 15.4, or Sonoma 14.7.5, system is vulnerable.
Check Version:
sw_vers
Verify Fix Applied:
Verify macOS version shows Ventura 13.7.5, Sequoia 15.4, or Sonoma 14.7.5 or later in System Settings > General > About.
📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation events in system logs
- Unusual process creation with elevated privileges
- Failed authorization attempts followed by successful privileged operations
Network Indicators:
- Unusual outbound connections from privileged processes
- Lateral movement attempts from previously low-privilege accounts
SIEM Query:
source="macos_system_logs" AND (event_type="privilege_escalation" OR process_elevation="true")