Out-of-Bounds Write Vulnerability in macOS by Apple

CVE-2026-84515

What is CVE-2026-84515?

An out-of-bounds write vulnerability was identified within macOS that could be exploited by connecting to a malicious SMB server. This flaw could lead to kernel memory corruption, posing serious risks to system stability and integrity. The issue has been addressed with enhanced bounds checking in the latest updates to macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7, ensuring that users are protected against potential exploitation.

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