Overview
What is CVE-2026-84539?
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7.2.
An app may be able to cause unexpected system termination.
Source: NVD
Vulnerability intelligence
CVE-2026-84539. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7.2.
An app may be able to cause unexpected system termination.
Source: NVD