Unrated severityNVD Advisory· Published Sep 14, 2026

CVE-2026-84511

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted asset catalog may lead to unexpected process termination.

Affected products

Apple Inc./iOSllm-fuzzy
Range: = 27
Apple Inc./Ipadosllm-fuzzy
Range: = 27
Apple Inc./macOS Golden Gatellm-fuzzy
Range: = 27
Apple Inc./macOS Sequoiallm-fuzzy
Range: = 15.8
Apple Inc./macOS Tahoellm-fuzzy
Range: = 26.7
Apple Inc./tvOSllm-fuzzy
Range: = 27
Apple Inc./Visionosllm-fuzzy
Range: = 27
Apple Inc./watchOSllm-fuzzy
Range: = 27

Patches

Vulnerability mechanics

References

support.apple.com/en-us/149034nvd
support.apple.com/en-us/149035nvd
support.apple.com/en-us/149036nvd
support.apple.com/en-us/149037nvd
support.apple.com/en-us/149038nvd
support.apple.com/en-us/149042nvd
support.apple.com/en-us/149043nvd

News mentions

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

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000