How severe is CVE-2023-37450?

CVE-2023-37450 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-37450 being actively exploited?

Yes. CVE-2023-37450 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-07-13, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-37450?

CVE-2023-37450 primarily affects Apple Safari. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37450?

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-2023-37450 have an EU (EUVD) identifier?

Yes. CVE-2023-37450 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41350. It is also flagged as exploited in the EUVD (since 2023-07-13).

When was CVE-2023-37450 published?

CVE-2023-37450 was published on 2023-07-27 and last updated on 2026-06-17.

CVE-2023-37450

CVE-2023-37450 is a high-severity vulnerability in Apple Safari with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-07-13).

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 18% (97th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2023-07-13)
EU (EUVD) id: EUVD-2023-41350
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2023-07-13)
Affected product: Apple Safari
Published: 2023-07-27
Last modified: 2026-06-17

Description

The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, Safari 16.5.2, tvOS 16.6, macOS Ventura 13.5, watchOS 9.6. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Frequently asked questions

What is CVE-2023-37450?: The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, Safari 16.5.2, tvOS 16.6, macOS Ventura 13.5, watchOS 9.6. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
How severe is CVE-2023-37450?: CVE-2023-37450 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-37450 being actively exploited?: Yes. CVE-2023-37450 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-07-13, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-37450?: CVE-2023-37450 primarily affects Apple Safari. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37450?: 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-2023-37450 have an EU (EUVD) identifier?: Yes. CVE-2023-37450 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41350. It is also flagged as exploited in the EUVD (since 2023-07-13).
When was CVE-2023-37450 published?: CVE-2023-37450 was published on 2023-07-27 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*

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