CVE-2023-40436

9.1 CRITICAL

Published: September 27, 2023 Modified: November 04, 2025

Description

The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. An attacker may be able to cause unexpected system termination or read kernel memory.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://seclists.org/fulldisclosure/2023/Oct/3

Source: product-security@apple.com

Mailing List Third Party Advisory

https://support.apple.com/en-us/HT213940

Source: product-security@apple.com

Release Notes Vendor Advisory

http://seclists.org/fulldisclosure/2023/Oct/3

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

https://support.apple.com/en-us/HT213940

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes Vendor Advisory

https://support.apple.com/kb/HT213940

Source: af854a3a-2127-422b-91ae-364da2661108

5 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.1 / 10.0

EPSS (Exploit Probability)

0.4%

60th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-125

Affected Vendors

apple

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