CVE-2025-46285

7.8 HIGH

📋 TL;DR

An integer overflow vulnerability in Apple operating systems could allow malicious applications to gain root privileges. This affects multiple Apple platforms including iOS, macOS, watchOS, tvOS, and visionOS. The vulnerability stems from improper handling of timestamps that could lead to privilege escalation.

💻 Affected Systems

Products:
  • iOS
  • iPadOS
  • macOS
  • watchOS
  • tvOS
  • visionOS
Versions: Versions prior to the fixed releases listed in the CVE description
Operating Systems: Apple iOS, Apple iPadOS, Apple macOS, Apple watchOS, Apple tvOS, Apple visionOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected Apple operating systems are vulnerable until patched.

📦 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

Complete system compromise with root-level access, allowing attackers to install persistent malware, access all user data, and control system functions.

🟠

Likely Case

Local privilege escalation where a malicious app gains elevated privileges to access sensitive system resources and user data.

🟢

If Mitigated

Limited impact with proper app sandboxing and security controls preventing malicious app installation.

🌐 Internet-Facing: LOW - This is a local privilege escalation requiring app execution on the device.
🏢 Internal Only: MEDIUM - Risk exists if users install untrusted apps or if devices are already compromised with lower privileges.

🎯 Exploit Status

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

Exploitation requires a malicious app to be installed and executed on the target device.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: watchOS 26.2, macOS Sonoma 14.8.3, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, macOS Sequoia 15.7.3, visionOS 26.2, tvOS 26.2

Vendor Advisory: https://support.apple.com/en-us/125884

Restart Required: Yes

Instructions:

1. Open Settings/System Preferences. 2. Navigate to Software Update. 3. Download and install the latest available update. 4. Restart the device when prompted.

🔧 Temporary Workarounds

Restrict App Installation

all

Limit app installation to only trusted sources from the App Store

Enable Gatekeeper

macOS

Ensure Gatekeeper is enabled on macOS to verify app signatures

sudo spctl --master-enable

🧯 If You Can't Patch

  • Restrict user permissions and implement least privilege principles
  • Monitor for suspicious app behavior and privilege escalation attempts

🔍 How to Verify

Check if Vulnerable:

Check current OS version against affected versions in System Settings/About This Mac

Check Version:

sw_vers (macOS), uname -a (general), or check in Settings > General > About (iOS)

Verify Fix Applied:

Verify OS version matches or exceeds the patched versions listed in the CVE

📡 Detection & Monitoring

Log Indicators:

  • Unexpected privilege escalation events
  • Processes running with unexpected root privileges
  • App installation from untrusted sources

Network Indicators:

  • Unusual outbound connections from system processes

SIEM Query:

process:privilege_escalation AND os:apple AND timestamp:[now-7d TO now]

🔗 References

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