CVE-2026-43788: Apple macOS

Medium severity, CVSS 6.6. EPSS: 0.1% chance of exploitation in the next 30 days.

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

Affected products

• Apple macOS: before 27.0 (fixed in 27.0)

Published 2026-09-14. Last modified 2026-09-15.