Live › vulnerability › CVE-2026-84579
Go to dashboardA logic flaw in macOS lets a file that references a network share cause unexpected software to execute when it is opened. An attacker who can place or point a user at such a file may get code run on the Mac.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Macs running a macOS release older than the fixed builds that open files referencing network shares (SMB or similar mounts). The sources do not say which specific share protocols or configurations are required. Systems that never mount network shares are unlikely to be exposed, but the sources do not confirm this.
No product ranges from the sources yet.
sw_vers -productVersion and compare it with the fixed releases listed in the sources27 (Golden Gate), 15.8 (Sequoia) or 26.7 (Tahoe) or later, as the sources list these as fixed releasesEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Opening a file referencing a network share may lead to unexpected software execution.
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