CVE-2026-64731 | A path handling issue was addressed with improved validation… | CVSS 9.8 CRITICAL

Description

A path handling issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.

Metadata

CVE ID: CVE-2026-64731
State: PUBLISHED
Assigner: apple
Reserved: 2026-07-20 18:09 UTC
Published: 2026-07-27 20:14 UTC
Last updated: 2026-07-28 13:46 UTC
Primary CWE: CWE-22
CWE-22 Improper Limitation of a Pathname to a Restricted Dir…
Vendor / Product: Apple / macOS
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Apple	macOS	—	0 < 15.7.8, 0 < 26.6

Weakness (CWE)

CWE	Source	Description
—	cna	A malicious app may be able to break out of its sandbox
CWE-22	adp	CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)