CVE-2026-84520

CriticalCVSS 9.8/10Last modified Sep 16, 2026

Description

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120

Affected software

VendorProductVersions
ApplemacOS< 27

References

Timeline

Published
Sep 14, 2026
Last modified
Sep 16, 2026
NVD status
Analyzed

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CVE-2026-84520: Critical severity, CVSS 9.8 | Vulnix