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OpenAdvisories
High · 7.8 CVE-2026-84515 EUVD-2026-77948GHSA-7g7w-689w-qx47

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, …

Published Sep 14, 2026 · Updated Oct 26, 2026 · Assigned by apple

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to kernel memory corruption.

Affected products

VendorProductAffectedFixed
Apple macOS < 15.8, < 26.7, < 27 15.8

Advisories 2

References