How severe is CVE-2023-37450?

CVE-2023-37450 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 18.9% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2023-37450: Apple Multiple Products WebKit Code Execution

CISA Known Exploited Vulnerabilities

Apple Multiple Products WebKit Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-07-13

Remediation due

2023-08-03

Required action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

CISA notes
https://support.apple.com/en-us/HT213826, https://support.apple.com/en-us/HT213841, https://support.apple.com/en-us/HT213843, https://support.apple.com/en-us/HT213846, https://support.apple.com/en-us/HT213848; https://nvd.nist.gov/vuln/detail/CVE-2023-37450

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.

Severity

CVSS 3.1 · CISA8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Apple	Safari	unspecified to <16.5
Apple	tvOS	unspecified to <16.6
Apple	iOS and iPadOS	unspecified to <16.6
Apple	macOS	unspecified to <13.5
Apple	watchOS	unspecified to <9.6

References

6 Links

Other references

Record Details

Published

2023-07-26

Last updated

2025-10-21

Assigner (CNA)

apple

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.