Unrated severityNVD Advisory· Published Oct 26, 2026

CVE-2026-84590

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination or heap corruption.

Affected products

Apple Inc./macOS Golden Gatellm-fuzzy
Range: 27.2
Apple Inc./macOS Sequoiallm-fuzzy
Range: 15.8.2
Apple Inc./macOS Tahoellm-fuzzy
Range: 26.7.2

Patches

Vulnerability mechanics

References

support.apple.com/en-us/149521nvd
support.apple.com/en-us/149522nvd
support.apple.com/en-us/149523nvd

News mentions

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