CVE-2025-24201
📋 TL;DR
This critical vulnerability allows malicious web content to break out of the Web Content sandbox via an out-of-bounds write issue, potentially enabling arbitrary code execution. It affects Apple devices running vulnerable versions of iOS, iPadOS, macOS, visionOS, watchOS, and Safari. Apple has confirmed this may have been exploited in sophisticated targeted attacks.
💻 Affected Systems
- iOS
- iPadOS
- macOS
- visionOS
- watchOS
- Safari
📦 What is this software?
Ipados by Apple
Ipados by Apple
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 →Safari by Apple
Watchos by Apple
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attackers to execute arbitrary code, access sensitive data, and maintain persistence on affected Apple devices.
Likely Case
Targeted exploitation against specific individuals to bypass security sandboxes and gain elevated privileges on compromised devices.
If Mitigated
Limited impact if devices are fully patched and web content filtering is implemented, though zero-day exploitation risk existed before patches.
🎯 Exploit Status
Apple confirms this may have been exploited in extremely sophisticated attacks against specific targeted individuals before iOS 17.2.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: visionOS 2.3.2, iOS 18.3.2, iPadOS 18.3.2, macOS Sequoia 15.3.2, Safari 18.3.1, watchOS 11.4, iPadOS 17.7.6, iOS 16.7.11, iPadOS 16.7.11, iOS 15.8.4, iPadOS 15.8.4
Vendor Advisory: https://support.apple.com/en-us/122281
Restart Required: Yes
Instructions:
1. Go to Settings > General > Software Update on iOS/iPadOS/watchOS/visionOS. 2. Install available updates. 3. For macOS, go to System Settings > General > Software Update. 4. For Safari, update through macOS Software Update or App Store.
🔧 Temporary Workarounds
Disable JavaScript
allTemporarily disable JavaScript in Safari to mitigate web-based exploitation vectors
Use alternative browser
allUse browsers not based on WebKit until patches are applied
🧯 If You Can't Patch
- Isolate affected devices from untrusted networks and web content
- Implement strict web content filtering and network segmentation
🔍 How to Verify
Check if Vulnerable:
Check device version against affected versions list in Apple advisoryCheck Version:
iOS/iPadOS: Settings > General > About > Version. macOS: Apple menu > About This Mac > macOS version. Safari: Safari menu > About SafariVerify Fix Applied:
Verify device is running patched version from fix_official section📡 Detection & Monitoring
Log Indicators:
- Unusual Safari/WebKit process behavior
- Sandbox violation logs
- Unexpected privilege escalation
Network Indicators:
- Suspicious web content loading patterns
- Connections to known malicious domains
SIEM Query:
process_name:"Safari" OR process_name:"WebKit" AND (event_type:"sandbox_violation" OR privilege_change:"escalation")🔗 References
- https://support.apple.com/en-us/122281
- https://support.apple.com/en-us/122283
- https://support.apple.com/en-us/122284
- https://support.apple.com/en-us/122285
- https://support.apple.com/en-us/122345
- https://support.apple.com/en-us/122346
- https://support.apple.com/en-us/122372
- https://support.apple.com/en-us/122376
- http://seclists.org/fulldisclosure/2025/Apr/16
- http://seclists.org/fulldisclosure/2025/Apr/7
- http://seclists.org/fulldisclosure/2025/Jun/19
- http://seclists.org/fulldisclosure/2025/Mar/2
- http://seclists.org/fulldisclosure/2025/Mar/3
- http://seclists.org/fulldisclosure/2025/Mar/4
- http://seclists.org/fulldisclosure/2025/Mar/5
- http://seclists.org/fulldisclosure/2025/Oct/1
- http://seclists.org/fulldisclosure/2025/Oct/31
- https://github.com/JGoyd/Glass-Cage-iOS18-CVE-2025-24085-CVE-2025-24201
- https://github.com/cisagov/vulnrichment/issues/194
- https://lists.debian.org/debian-lts-announce/2025/06/msg00016.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24201
