Skip to content
Sign in
7.8 High

CVE-2026-84515 An out-of-bounds write issue was addressed with improved bounds checking

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 and versions

Product Affected versions Fixed in
macOS 27 earliest → < 27 27
macOS 26.7 earliest → < 26.7 26.7
macOS 15.8 earliest → < 15.8 15.8

Other CVEs of macOS

The 3813 CVEs of macOS →
CVE-2026-86925 An authorization issue was addressed with improved state management 5.5 Medium CVE-2026-84627 A buffer overflow was addressed with improved bounds checking 7.8 High CVE-2026-113945 An out-of-bounds read was addressed with improved bounds checking 5.5 Medium CVE-2026-65327 A logic issue was addressed with improved checks 8.4 High
Track this CVE