CVE-2023-40407

CVE-2023-40407 is a high-severity vulnerability in Apple Macos with a CVSS 3.x base score of 7.5. 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 bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause a denial-of-service.

Frequently asked questions

What is CVE-2023-40407?
The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause a denial-of-service.
How severe is CVE-2023-40407?
CVE-2023-40407 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-40407 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40407?
CVE-2023-40407 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40407?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-40407 published?
CVE-2023-40407 was published on 2023-09-27 and last updated on 2026-06-17.

References

Affected products (1)

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