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Critical · 9.8 CVE-2026-43748 EUVD-2026-49497GHSA-mph6-9jcc-qx8c

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…

Published Jul 27, 2026 · Updated Sep 14, 2026 · Assigned by apple

Vendor: Apple Product: iOS and iPadOS Product: macOS Platform: iOS Platform: macOS

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.

Affected products

VendorProductAffectedFixed
Apple iOS and iPadOS < 26.6 26.6
Apple macOS < 15.7.8, < 26.6 15.7.8

Advisories 2

References