Unrated severityNVD Advisory· Published Sep 14, 2026

CVE-2026-86870

Description

A heap buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, watchOS 27. Processing a maliciously crafted file may lead to unexpected app termination.

Affected products

Apple Inc./iOSllm-fuzzy
Range: before 26.7, before 27
Apple Inc./Ipadosllm-fuzzy
Range: before 26.7, before 27
Apple Inc./macOSllm-fuzzy
Range: Golden Gate 27

Patches

Vulnerability mechanics

References

support.apple.com/en-us/149034nvd
support.apple.com/en-us/149035nvd
support.apple.com/en-us/149037nvd
support.apple.com/en-us/149038nvd
support.apple.com/en-us/149041nvd

News mentions

Apple Updates Everything, (Mon, Sep 14th)
SANS Internet Storm Center · Sep 14, 2026

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