Is CVE-2026-86929 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-86929?

CVE-2026-86929 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-86929

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to arbitrary code execution.