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VULNERABILITIES

CVE-2026-43809 Details

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://support.apple.com/en-us/128067 [email protected]Release NotesVendor Advisory
https://support.apple.com/en-us/128071 [email protected]Release NotesVendor Advisory
https://support.apple.com/en-us/128072 [email protected]Release NotesVendor Advisory
https://support.apple.com/en-us/148287 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-125Out-of-bounds ReadCISA-ADP

Affected Products

ProductVersions
apple macos
>= 14.0, < 14.8.8
>= 15.0, < 15.7.8
>= 26.0, < 26.6

CPE

  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-43809
NVD Published Date:
Jul 27, 2026
NVD Last Modified:
Aug 17, 2026
Source:
[email protected]
CVE-2026-43809 Details - Not Deferred