AppleCVE-2026-84588

Apple macOS: memory corruption

CVE-2026-84588 · Published Sep 14, 2026 · updated Sep 16, 2026

Medium6.5

Fix: upgrade to 27 or later

A memory corruption issue was addressed by removing the vulnerable code. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

Affected versions

Package	Affected	Fixed in
macOS Product	< 27	27

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-787

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