CVE-2025-43510
📋 TL;DR
This CVE describes a memory corruption vulnerability in Apple operating systems that could allow a malicious application to manipulate shared memory between processes. The issue affects multiple Apple platforms including iOS, macOS, watchOS, visionOS, and tvOS. Attackers could potentially exploit this to cause unexpected system behavior or gain unauthorized access to sensitive data.
💻 Affected Systems
- iOS
- iPadOS
- macOS
- watchOS
- visionOS
- tvOS
📦 What is this software?
Ipados by Apple
Ipados by Apple
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 →Tvos by Apple
Watchos by Apple
⚠️ Risk & Real-World Impact
Worst Case
A malicious application could execute arbitrary code with system privileges, potentially leading to complete system compromise, data theft, or installation of persistent malware.
Likely Case
Malicious applications could cause application crashes, data corruption, or limited information disclosure through memory manipulation.
If Mitigated
With proper application sandboxing and security controls, exploitation would be limited to the sandboxed application's permissions.
🎯 Exploit Status
Exploitation requires a malicious application to be installed and executed on the target device. The CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization) suggests race condition exploitation may be involved.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: watchOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Tahoe 26.1, visionOS 26.1, tvOS 26.1, macOS Sonoma 14.8.2, macOS Sequoia 15.7.2, iOS 26.1 and iPadOS 26.1
Vendor Advisory: https://support.apple.com/en-us/125632
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install the latest available update for your device. 4. Restart the device when prompted.
🔧 Temporary Workarounds
Application Restriction
allRestrict installation of applications to only trusted sources and verified developers
Not applicable - configuration setting
Enhanced Security Settings
macOSEnable maximum security settings including Gatekeeper and application sandboxing
Not applicable - configuration setting
🧯 If You Can't Patch
- Implement strict application allowlisting policies to prevent installation of untrusted applications
- Enable full disk encryption and regular security audits of installed applications
🔍 How to Verify
Check if Vulnerable:
Check current OS version against affected versions in CVE descriptionCheck Version:
iOS/iPadOS: Settings > General > About > Version; macOS: Apple menu > About This Mac > macOS version; watchOS: Watch app > General > About > VersionVerify Fix Applied:
Verify OS version matches or exceeds patched versions listed in the CVE📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes
- Memory access violation logs
- Suspicious inter-process communication
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Not applicable - primarily local system logs would need monitoring for abnormal process behavior🔗 References
- https://support.apple.com/en-us/125632
- https://support.apple.com/en-us/125633
- https://support.apple.com/en-us/125634
- https://support.apple.com/en-us/125635
- https://support.apple.com/en-us/125636
- https://support.apple.com/en-us/125637
- https://support.apple.com/en-us/125638
- https://support.apple.com/en-us/125639
