How severe is CVE-2023-32434?

CVE-2023-32434 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-2023-32434 being actively exploited?

Yes. CVE-2023-32434 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-06-23, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-32434?

CVE-2023-32434 primarily affects Apple Ipados. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-32434?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2023-32434 have an EU (EUVD) identifier?

Yes. CVE-2023-32434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36678. It is also flagged as exploited in the EUVD (since 2023-06-23).

When was CVE-2023-32434 published?

CVE-2023-32434 was published on 2023-06-23 and last updated on 2026-06-17.

CVE-2023-32434

CVE-2023-32434 is a high-severity vulnerability in Apple Ipados with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-06-23). The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 52% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2023-06-23)
EU (EUVD) id: EUVD-2023-36678
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2023-06-23)
Weakness: CWE-190
Affected product: Apple Ipados
Published: 2023-06-23
Last modified: 2026-06-17

Description

An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

Frequently asked questions

What is CVE-2023-32434?: An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
How severe is CVE-2023-32434?: CVE-2023-32434 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-2023-32434 being actively exploited?: Yes. CVE-2023-32434 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-06-23, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-32434?: CVE-2023-32434 primarily affects Apple Ipados. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-32434?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-32434 have an EU (EUVD) identifier?: Yes. CVE-2023-32434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36678. It is also flagged as exploited in the EUVD (since 2023-06-23).
When was CVE-2023-32434 published?: CVE-2023-32434 was published on 2023-06-23 and last updated on 2026-06-17.

References

Affected products (4)

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

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