CVE-2026-43748

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/128066
https://support.apple.com/en-us/128067	Release Notes Vendor Advisory
https://support.apple.com/en-us/128071	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::

History

24 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Se abordó un problema de escritura fuera de límites con una comprobación de límites mejorada. Este problema se corrigió en macOS Sequoia 15.7.8, macOS Tahoe 26.6. Una aplicación podría causar la terminación inesperada del sistema.

Information

Published : 2026-07-27 21:16

Updated : 2026-10-24 13:10

NVD link : CVE-2026-43748

Mitre link : CVE-2026-43748

CVE.ORG link : CVE-2026-43748

JSON object : View

Products Affected

apple

macos

CWE

CWE-787

Out-of-bounds Write

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