CVE-2026-20614
📋 TL;DR
This CVE describes a path handling vulnerability in macOS that allows an application to gain root privileges through improper validation. It affects macOS Sequoia, Tahoe, and Sonoma versions before the specified patches. Attackers could exploit this to escalate privileges and 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 →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
An attacker gains full root access to the system, allowing complete compromise, data theft, persistence installation, and lateral movement across the network.
Likely Case
Malicious applications or compromised legitimate apps escalate to root privileges, enabling them to bypass security controls, install malware, or access sensitive system files.
If Mitigated
With proper application sandboxing and least privilege principles, exploitation scope is limited, though root access remains possible if the vulnerability is triggered.
🎯 Exploit Status
Exploitation requires an attacker to have application execution capability on the target system. The path handling nature suggests manipulation of file paths could trigger privilege escalation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4
Vendor Advisory: https://support.apple.com/en-us/126348
Restart Required: No
Instructions:
1. Open System Settings. 2. Click General. 3. Click Software Update. 4. Install available updates. 5. Verify installation by checking macOS version.
🔧 Temporary Workarounds
Restrict Application Execution
macOSLimit execution of untrusted applications through application allowlisting or macOS Gatekeeper settings.
🧯 If You Can't Patch
- Implement strict application control policies to prevent execution of untrusted applications.
- Use endpoint detection and response (EDR) tools to monitor for privilege escalation attempts.
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is earlier than the patched versions listed, the system is vulnerable.Check Version:
sw_versVerify Fix Applied:
Verify macOS version matches or exceeds: Sequoia 15.7.4, Tahoe 26.3, or Sonoma 14.8.4.📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation events in system logs
- Applications spawning processes with root privileges unexpectedly
Network Indicators:
- Unusual outbound connections from system processes post-exploitation
SIEM Query:
source="macos_system_logs" AND (event="privilege_escalation" OR process="sudo" OR user="root")