CVE-2026-43773

published 2026-07-27

CVE-2026-43773: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Mounting…

Priority P3 42 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
apple	macos	< 14.8.8	14.8.8
apple	macos	< 15.7.8	15.7.8
apple	macos	< 26.6	26.6
apple	macos	>= 14.0 < 14.8.8	14.8.8
apple	macos	>= 15.0 < 15.7.8	15.7.8
apple	macos	>= 26.0 < 26.6	26.6

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CWE-125