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CVE-2026-43790 Details

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CNA: CISA-ADPCVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://support.apple.com/en-us/149035	[email protected]	Release NotesVendor Advisory
https://support.apple.com/en-us/149042	[email protected]	Release NotesVendor Advisory
https://support.apple.com/en-us/149043	[email protected]	Release NotesVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]
CWE-787	Out-of-bounds Write	CISA-ADP

Affected Products

Product	Versions
apple macos	>= 15.0, < 15.8 >= 26.0, < 26.7
CPE cpe:2.3:o:apple:macos:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 17, 2026	CVE Modified	CISA-ADP
Sep 16, 2026	Initial Analysis	[email protected]
Sep 14, 2026	New CVE Received	[email protected]