CVE-2026-64736

HighCVSS 7.1/10Last modified Sep 15, 2026

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-125CWE-787

Affected software

VendorProductVersions
AppleiOS and iPadOS< 26.6.1
ApplemacOS< 15.8; < 26.6.2
AppletvOS< 27
ApplevisionOS< 27
ApplewatchOS< 27

References

Timeline

Published
Sep 14, 2026
Last modified
Sep 15, 2026
NVD status
Analyzed

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CVE-2026-64736: High severity, CVSS 7.1 | Vulnix