CVE-2026-64714 Overview
CVE-2026-64714 is a memory corruption vulnerability in Apple's image processing components affecting iOS, iPadOS, macOS, and visionOS. Processing a maliciously crafted image can trigger out-of-bounds memory access, leading to a denial-of-service condition on the affected device. Apple addressed the flaw with improved bounds checking in iOS 18.7.10, iPadOS 18.7.10, macOS Golden Gate 27, macOS Sequoia 15.7.8, and macOS Sonoma 14.8.8. The vulnerability is categorized under [CWE-119] (Improper Restriction of Operations within the Bounds of a Memory Buffer) and requires local access with user interaction to exploit.
Critical Impact
A crafted image opened by a user can crash the affected process or system, disrupting availability on iPhone, iPad, Mac, and Vision Pro devices.
Affected Products
- Apple iOS and iPadOS prior to 18.7.10
- Apple macOS Sonoma prior to 14.8.8, macOS Sequoia prior to 15.7.8, macOS Golden Gate prior to 27
- Apple visionOS (see vendor advisory for fixed version)
Discovery Timeline
- 2026-09-14 - CVE-2026-64714 published to NVD
- 2026-09-16 - Last updated in NVD database
Technical Details for CVE-2026-64714
Vulnerability Analysis
The vulnerability resides in an Apple image processing routine that fails to correctly validate buffer boundaries when parsing image data. When the affected component decodes a maliciously crafted image, it reads or writes beyond an allocated buffer, corrupting adjacent memory and forcing the process to terminate. The result is a denial-of-service condition impacting the availability of the affected application or subsystem.
Apple's advisory describes the fix as "improved bounds checking," indicating the patched code now validates offsets and sizes derived from untrusted image structures before performing memory operations. Because impact is limited to availability, integrity and confidentiality of user data are not directly at risk from this flaw alone.
Root Cause
The root cause is an improper restriction of operations within the bounds of a memory buffer [CWE-119]. Malformed dimensions, chunk sizes, or metadata fields in a crafted image cause the decoder to compute an out-of-range memory access. Without adequate boundary validation, the affected process encounters memory corruption and crashes.
Attack Vector
Exploitation requires local delivery of a crafted image file and user interaction, such as opening the file or previewing it in an application that invokes the vulnerable image processing pipeline. Common delivery paths include email attachments, messaging applications, downloaded files, and web content rendered by Safari or WebKit-based components. Successful exploitation results in a denial-of-service, not code execution.
No public proof-of-concept, exploit code, or evidence of exploitation in the wild has been reported. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog, and the EPSS probability remains low.
Detection Methods for CVE-2026-64714
Indicators of Compromise
- Unexpected crashes of image viewing, messaging, or preview processes when handling recently received image files
- Crash reports referencing image decoding frameworks such as ImageIO or related codec libraries
- Recurring termination of applications immediately after rendering thumbnails or previews of a specific file
Detection Strategies
- Monitor Apple endpoint crash logs and diagnostic reports for repeated segmentation faults in image processing components
- Correlate crash telemetry with recently opened or received image attachments across mail and messaging clients
- Track file-arrival events for image formats followed by application termination within a short time window
Monitoring Recommendations
- Ingest macOS unified logs and iOS crash reports into a centralized data lake for correlation and hunting
- Alert on abnormal crash frequency in ImageIO, CoreGraphics, or related media frameworks
- Review inbound file telemetry from email and collaboration platforms for anomalous image payloads
How to Mitigate CVE-2026-64714
Immediate Actions Required
- Update all Apple devices to iOS 18.7.10, iPadOS 18.7.10, macOS Golden Gate 27, macOS Sequoia 15.7.8, or macOS Sonoma 14.8.8 or later
- Apply the corresponding visionOS update referenced in the Apple advisory
- Prioritize patching of devices that routinely process external image content, such as executive and helpdesk endpoints
Patch Information
Apple released fixes across its operating system families. Refer to the vendor advisories for exact version mappings: Apple Support Document #128071, Apple Support Document #128072, Apple Support Document #148287, and Apple Support Document #149035. The remediation applies improved bounds checking in the affected image processing code paths.
Workarounds
- Avoid opening image files from untrusted sources until the patch is applied
- Disable automatic image previews in mail and messaging clients where feasible
- Use mobile device management (MDM) policies to enforce timely OS updates across the fleet
# Verify installed macOS version and trigger software update check
sw_vers -productVersion
sudo softwareupdate --list
sudo softwareupdate --install --all --restart
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
