How severe is CVE-2023-32366?

CVE-2023-32366 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-2023-32366 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-2023-32366?

CVE-2023-32366 primarily affects Apple Ipados. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-32366?

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-2023-32366 have an EU (EUVD) identifier?

Yes. CVE-2023-32366 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36610.

When was CVE-2023-32366 published?

CVE-2023-32366 was published on 2024-01-10 and last updated on 2026-06-17.

CVE-2023-32366

CVE-2023-32366 is a high-severity vulnerability in Apple Ipados 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-787.

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-2023-36610
Weakness: CWE-787
Affected product: Apple Ipados
Published: 2024-01-10
Last modified: 2026-06-17

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.7.5, macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.4. Processing a font file may lead to arbitrary code execution.

Frequently asked questions

What is CVE-2023-32366?: An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.7.5, macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.4. Processing a font file may lead to arbitrary code execution.
How severe is CVE-2023-32366?: CVE-2023-32366 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-2023-32366 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-2023-32366?: CVE-2023-32366 primarily affects Apple Ipados. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-32366?: 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-2023-32366 have an EU (EUVD) identifier?: Yes. CVE-2023-32366 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36610.
When was CVE-2023-32366 published?: CVE-2023-32366 was published on 2024-01-10 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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