CVE-2026-64754
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
An out-of-bounds write vulnerability in Apple systems (iOS, iPadOS, macOS, tvOS, visionOS, watchOS) fixed with improved bounds checking. Processing a maliciously crafted file may lead to a denial-of-service.
Risk Assessment
An attacker could cause system or app crashes by sending a specially crafted file, leading to service disruption.
Recommendation
Update to iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, or watchOS 26.6.
Other vulnerabilities in Apple OS
See all- CVE-2026-64751Critical
A use-after-free issue in Apple systems (iOS, iPadOS, macOS, tvOS, visionOS, watchOS) fixed with improved memory management. An app may cause unexpected system termination or write kernel memory.
- CVE-2026-64720Critical
A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
- CVE-2026-43805Critical
A race condition in Apple systems. Fixed by improving state handling. An app may cause unexpected system termination or write kernel memory.
- CVE-2026-64764High
An out-of-bounds write vulnerability in Apple systems. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.
- CVE-2026-64763High
An out-of-bounds write vulnerability in Apple systems, fixed by removing the vulnerable code. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.
- CVE-2026-64758High
A vulnerability in Apple systems (iOS, iPadOS, macOS, tvOS, visionOS, watchOS) fixed by improving bounds checks. Processing a maliciously crafted file may lead to unexpected app termination.
- CVE-2026-64749High
A vulnerability in Apple systems related to improper memory handling. An app may be able to cause unexpected system termination or corrupt kernel memory.
- CVE-2026-64742Medium
A vulnerability in Apple systems, fixed by using HTTPS when sending information over the network. An app may be able to access sensitive user data.
- CVE-2026-64725High
An out-of-bounds write vulnerability in Apple systems. An app may be able to cause a denial-of-service.
- CVE-2026-64723Medium
A logic issue was addressed with improved checks. This issue affects iOS, iPadOS, and macOS and may allow an app to access sensitive user data.
Original NVD description (English source)
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to a denial-of-service.