CVE-2026-43748

CriticalCVSS 9.8/10Last modified Oct 24, 2026

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
AppleiOS and iPadOS< 26.6
ApplemacOS< 15.7.8; < 26.6

References

Timeline

Published
Jul 27, 2026
Last modified
Oct 24, 2026
NVD status
Modified

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CVE-2026-43748: Critical severity, CVSS 9.8 | Vulnix