Unrated severityNVD Advisory· Published Sep 14, 2026

CVE-2026-84531

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. Processing maliciously crafted NTLM input may lead to unexpected app termination.

Affected products

Apple Inc./iOSllm-fuzzy
Range: = 27
Apple Inc./Ipadosllm-fuzzy
Range: = 27
Apple Inc./macOS Golden Gatellm-fuzzy
Range: = 27

Patches

Vulnerability mechanics

References

support.apple.com/en-us/149034nvd
support.apple.com/en-us/149035nvd

News mentions

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

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