Use After Free in Apple macOS

CVE-2023-40404

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Sonoma 14.1. An app may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-40404: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-40404?
CVE-2023-40404 is a high-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 7.8/10. Published 2023-10-25.
How severe is CVE-2023-40404?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-40404 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.