CVE-2026-20675
📋 TL;DR
This CVE describes an image processing vulnerability in Apple operating systems where improper bounds checks could allow maliciously crafted images to disclose user information. The vulnerability affects multiple Apple platforms including iOS, iPadOS, macOS, watchOS, tvOS, and visionOS. Attackers could exploit this by tricking users into processing specially crafted images.
💻 Affected Systems
- iOS
- iPadOS
- macOS
- watchOS
- tvOS
- visionOS
📦 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
Sensitive user data disclosure including potentially personal information, photos, or device data through malicious image processing.
Likely Case
Limited information disclosure from image processing contexts, potentially exposing metadata or adjacent memory contents.
If Mitigated
No impact if systems are patched or if malicious images are prevented from reaching vulnerable systems.
🎯 Exploit Status
Exploitation requires user interaction to process a malicious image. The CWE-77 (Improper Neutralization of Special Elements) suggests command injection or similar issues in image processing.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5, iPadOS 18.7.5, visionOS 26.3, iOS 26.3, iPadOS 26.3
Vendor Advisory: https://support.apple.com/en-us/126346
Restart Required: No
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install the latest available update for your device. 4. For macOS, open System Settings > General > Software Update.
🔧 Temporary Workarounds
Disable automatic image processing
allPrevent automatic processing of images in email clients, messaging apps, and web browsers where possible.
Use content filtering
allImplement network-level content filtering to block suspicious image files from external sources.
🧯 If You Can't Patch
- Implement strict image file type restrictions in email gateways and web proxies
- Educate users to avoid opening images from untrusted sources and disable automatic image loading
🔍 How to Verify
Check if Vulnerable:
Check current OS version against affected versions. If running versions prior to the fixed versions listed, the system is vulnerable.Check Version:
iOS/iPadOS: Settings > General > About > Version. macOS: Apple menu > About This Mac > macOS version. watchOS: Watch app on iPhone > General > About > Version.Verify Fix Applied:
Verify OS version matches or exceeds the fixed versions: watchOS 26.3+, tvOS 26.3+, macOS Tahoe 26.3+, macOS Sonoma 14.8.4+, macOS Sequoia 15.7.4+, iOS 18.7.5+, iPadOS 18.7.5+, visionOS 26.3+, iOS 26.3+, iPadOS 26.3+.📡 Detection & Monitoring
Log Indicators:
- Unusual image processing errors in system logs
- Crashes in image-related processes
Network Indicators:
- Unusual image downloads from suspicious sources
- Multiple failed image processing attempts
SIEM Query:
source="apple_system_logs" AND (process="image" OR process="graphics") AND (event="crash" OR event="error")🔗 References
- https://support.apple.com/en-us/126346
- https://support.apple.com/en-us/126347
- https://support.apple.com/en-us/126348
- https://support.apple.com/en-us/126349
- https://support.apple.com/en-us/126350
- https://support.apple.com/en-us/126351
- https://support.apple.com/en-us/126352
- https://support.apple.com/en-us/126353
