CVE-2026-20606

7.1 HIGH

📋 TL;DR

This vulnerability allows applications to bypass certain privacy preferences on Apple operating systems, potentially accessing sensitive user data without proper authorization. It affects macOS, iOS, and iPadOS users running vulnerable versions. The issue was addressed by removing the vulnerable code in security updates.

💻 Affected Systems

Products:
  • macOS
  • iOS
  • iPadOS
Versions: Versions prior to macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5, iPadOS 18.7.5, iOS 26.3, iPadOS 26.3
Operating Systems: macOS, iOS, iPadOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected versions are vulnerable. The vulnerability exists in the operating system itself, not in specific applications.

📦 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

Malicious apps could access sensitive user data protected by privacy preferences, including location, contacts, photos, or other protected resources without user consent.

🟠

Likely Case

Apps with legitimate functionality might inadvertently bypass privacy controls, or malicious apps could access limited protected data.

🟢

If Mitigated

With proper app vetting and security controls, the risk is limited to apps that have already been installed and granted some permissions.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires a malicious or compromised app to be installed on the device. No public exploit code is known at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5, iPadOS 18.7.5, iOS 26.3, iPadOS 26.3

Vendor Advisory: https://support.apple.com/en-us/126346

Restart Required: Yes

Instructions:

1. Open System Settings (macOS) or Settings (iOS/iPadOS). 2. Navigate to General > Software Update. 3. Install the latest available update for your operating system version. 4. Restart your device when prompted.

🔧 Temporary Workarounds

Restrict App Installation

all

Only install apps from trusted sources like the App Store and avoid sideloading applications.

Review App Permissions

all

Regularly review and restrict app permissions in System Settings > Privacy & Security.

🧯 If You Can't Patch

  • Implement mobile device management (MDM) to control app installation and permissions
  • Use network segmentation to isolate vulnerable devices from sensitive resources

🔍 How to Verify

Check if Vulnerable:

Check your macOS version by going to Apple menu > About This Mac. Check iOS/iPadOS version by going to Settings > General > About.

Check Version:

macOS: sw_vers -productVersion, iOS/iPadOS: Settings > General > About > Version

Verify Fix Applied:

Verify you have installed one of the patched versions: macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5, iPadOS 18.7.5, iOS 26.3, or iPadOS 26.3.

📡 Detection & Monitoring

Log Indicators:

  • Unusual app behavior accessing protected resources
  • Privacy permission alerts for apps that shouldn't need them

Network Indicators:

  • Unusual data exfiltration from mobile devices

SIEM Query:

Search for events where apps request privacy-sensitive resources without corresponding user consent logs.

🔗 References

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