CVE-2025-43530

5.5 MEDIUM

📋 TL;DR

This vulnerability allows an app to access sensitive user data on Apple devices due to insufficient access controls. It affects macOS, iOS, and iPadOS users running vulnerable versions. The issue was addressed through improved security checks in Apple's operating systems.

💻 Affected Systems

Products:
  • macOS
  • iOS
  • iPadOS
Versions: Versions prior to macOS Tahoe 26.2, macOS Sonoma 14.8.3, macOS Sequoia 15.7.3, iOS 18.7.3, iPadOS 18.7.3
Operating Systems: macOS, iOS, iPadOS
Default Config Vulnerable: ⚠️ Yes
Notes: All devices running affected versions are vulnerable by default. The vulnerability requires app installation to exploit.

📦 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 →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Malicious app could exfiltrate personal information, credentials, financial data, or other sensitive user data stored on the device.

🟠

Likely Case

Malicious app could access limited sensitive data based on its permissions and user interaction, potentially leading to privacy violations or credential theft.

🟢

If Mitigated

With proper app vetting and security controls, risk is limited to apps that bypass Apple's security review process or are installed from untrusted sources.

🌐 Internet-Facing: LOW - This is primarily a local app vulnerability requiring app installation, not directly internet-exploitable.
🏢 Internal Only: MEDIUM - Risk exists if users install untrusted apps or if enterprise devices have malicious apps installed.

🎯 Exploit Status

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

Exploitation requires a malicious app to be installed on the target device. No public exploit details are available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Tahoe 26.2, macOS Sonoma 14.8.3, macOS Sequoia 15.7.3, iOS 18.7.3, iPadOS 18.7.3

Vendor Advisory: https://support.apple.com/en-us/125885

Restart Required: Yes

Instructions:

1. Open Settings/System Preferences. 2. Go to General > Software Update. 3. Download and install the latest update. 4. Restart your device when prompted.

🔧 Temporary Workarounds

Restrict App Installation Sources

all

Only allow app installations from the App Store to reduce risk of malicious apps.

Review App Permissions

all

Regularly review and restrict app permissions in device settings.

🧯 If You Can't Patch

  • Implement mobile device management (MDM) to control app installation and permissions
  • Educate users about risks of installing apps from untrusted sources

🔍 How to Verify

Check if Vulnerable:

Check your device version in Settings > General > About (iOS/iPadOS) or Apple menu > About This Mac (macOS).

Check Version:

iOS/iPadOS: Settings > General > About > Version. macOS: Apple menu > About This Mac > macOS version.

Verify Fix Applied:

Verify the installed version matches or exceeds the patched versions listed above.

📡 Detection & Monitoring

Log Indicators:

  • Unusual app behavior accessing protected data areas
  • App permission escalation attempts

Network Indicators:

  • Suspicious data exfiltration from apps to external servers

SIEM Query:

Search for app permission changes or data access patterns outside normal behavior

🔗 References

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