AppleCVE-2026-84604

Apple macOS: buffer overflow

CVE-2026-84604 · Published Oct 26, 2026 · updated Nov 2, 2026

High7.8

Fix: upgrade to 15.8.2 or later (3 fixed versions below)

A stack buffer overflow was addressed through improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted audit file may corrupt process memory.

Affected versions

Package	Affected	Fixed in
macOS Product	< 15.8.2	15.8.2
	< 26.7.2	26.7.2
	< 27	27

Details and references

CVSS 3.1: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity from: NVD
Weakness: CWE-787

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