How severe is CVE-2023-32378?

CVE-2023-32378 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-32378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32378?

CVE-2023-32378 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32378?

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.

Does CVE-2023-32378 have an EU (EUVD) identifier?

Yes. CVE-2023-32378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36622.

When was CVE-2023-32378 published?

CVE-2023-32378 was published on 2024-01-10 and last updated on 2026-06-17.

CVE-2023-32378

CVE-2023-32378 is a high-severity vulnerability in Apple Macos with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-36622
Weakness: CWE-416
Affected product: Apple Macos
Published: 2024-01-10
Last modified: 2026-06-17

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.3, macOS Big Sur 11.7.5, macOS Monterey 12.6.4. An app may be able to execute arbitrary code with kernel privileges.

Frequently asked questions

What is CVE-2023-32378?: A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.3, macOS Big Sur 11.7.5, macOS Monterey 12.6.4. An app may be able to execute arbitrary code with kernel privileges.
How severe is CVE-2023-32378?: CVE-2023-32378 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-32378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32378?: CVE-2023-32378 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32378?: 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.
Does CVE-2023-32378 have an EU (EUVD) identifier?: Yes. CVE-2023-32378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36622.
When was CVE-2023-32378 published?: CVE-2023-32378 was published on 2024-01-10 and last updated on 2026-06-17.

References

Affected products (1)

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

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