CVE-2025-43355
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk13th percentile - higher than 13% of all known CVEs
Summary
A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 18.7, iPadOS 18.7, iOS 26, iPadOS 26, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26, tvOS 26, visionOS 26, and watchOS 26. An app may be able to cause a denial-of-service.
Risk Assessment
This may lead to application or system unavailability, disrupting user work.
Recommendation
Update Apple systems to the specified fixed versions.
Other vulnerabilities in Apple iOS / iPadOS / macOS / tvOS / visionOS / watchOS
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A double free issue in Apple systems allows an app to cause unexpected system termination or corrupt kernel memory. The flaw was fixed with improved memory management in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.
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The issue was addressed with improved memory handling. The vulnerability affects Apple systems and may allow a remote user to cause unexpected system termination or corrupt kernel memory.
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- CVE-2026-43803Critical
An out-of-bounds write issue was addressed with improved bounds checking. The vulnerability affects Apple systems and may allow a remote attacker to cause unexpected system termination.
Original NVD description (English source)
A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. An app may be able to cause a denial-of-service.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS