CVE-2026-64776 | The issue was addressed with improved bounds checks. This is… | CVSS 5.5 MEDIUM

Description

The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.

Metadata

CVE ID: CVE-2026-64776
State: PUBLISHED
Assigner: apple
Reserved: 2026-07-20 18:10 UTC
Published: 2026-07-27 20:14 UTC
Last updated: 2026-07-28 15:52 UTC
Primary CWE: CWE-125
CWE-125 Out-of-bounds Read
Vendor / Product: Apple / macOS
Sources: cve.org · NVD

Severity & Metrics

5.5 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
Apple	macOS	—	0 < 14.8.8, 0 < 15.7.8, 0 < 26.6

Weakness (CWE)

CWE	Source	Description
—	cna	An app may be able to disclose kernel memory
CWE-125	adp	CWE-125 Out-of-bounds Read

CVSS scores (1)

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

References (3)