CVE-2023-40406

CVE-2023-40406 is a medium-severity vulnerability in Apple Macos with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.7, macOS Ventura 13.6, macOS Sonoma 14. An app may be able to read arbitrary files.

Frequently asked questions

What is CVE-2023-40406?
The issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.7, macOS Ventura 13.6, macOS Sonoma 14. An app may be able to read arbitrary files.
How severe is CVE-2023-40406?
CVE-2023-40406 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-40406 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40406?
CVE-2023-40406 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40406?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40406 published?
CVE-2023-40406 was published on 2023-09-27 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Apple Macos

All CVEs affecting Apple Macos →