CVE-2023-37450
Apple Multiple Products WebKit Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 August 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 18.95% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 13 July 2023 · due 3 August 2023
- Affected
- apple/safari · apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos · webkitgtk/webkitgtk\+
- Source
- product-security@apple.com
EPSS 18.9% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. 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
References
- https://security.gentoo.org/glsa/202401-04Third Party Advisory
- https://support.apple.com/en-us/HT213826Vendor Advisory
- https://support.apple.com/en-us/HT213841Vendor Advisory
- https://support.apple.com/en-us/HT213843Vendor Advisory
- https://support.apple.com/en-us/HT213846Vendor Advisory
- https://support.apple.com/en-us/HT213848Vendor Advisory
- https://security.gentoo.org/glsa/202401-04Third Party Advisory
- https://support.apple.com/en-us/HT213826Vendor Advisory
- https://support.apple.com/en-us/HT213841Vendor Advisory
- https://support.apple.com/en-us/HT213843Vendor Advisory
- https://support.apple.com/en-us/HT213846Vendor Advisory
- https://support.apple.com/en-us/HT213848Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-37450US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.