CVE-2026-64768 | An out-of-bounds read issue was addressed with improved inpu… | CVSS 8.1 HIGH

Description

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may cause an unexpected app termination.

Metadata

CVE ID: CVE-2026-64768
State: PUBLISHED
Assigner: apple
Reserved: 2026-07-20 18:10 UTC
Published: 2026-07-27 20:13 UTC
Last updated: 2026-07-28 14:13 UTC
Primary CWE: CWE-125
CWE-125 Out-of-bounds Read
Vendor / Product: Apple / iOS and iPadOS
Sources: cve.org · NVD

Severity & Metrics

8.1 HIGH CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (4)

Vendor	Product	Platform	Versions
Apple	iOS and iPadOS	—	0 < 26.6
Apple	macOS	—	0 < 14.8.8, 0 < 15.7.8, 0 < 26.6
Apple	tvOS	—	0 < 26.6
Apple	visionOS	—	0 < 26.6

Weakness (CWE)

CWE	Source	Description
—	cna	A remote attacker may cause an unexpected app termination
CWE-125	adp	CWE-125 Out-of-bounds Read

CVSS scores (1)

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

References (6)