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.
Conclusion & alert: CVE-2023-37450 is rated Active Exploitation (70/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). Core evidence: CISA KEV confirms active exploitation (added 2023-07-13) affecting Apple / Multiple Products. Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Apple Multiple Products WebKit Code Execution Vulnerability · CISA KEV detail
: 2023-07-13
: 2023-08-03
: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-01 | 0.02% | 0.05% | +0.03% |
| 2 | 2026-02-26 | 0.05% | 0.02% | -0.03% |
| 3 | 2026-01-06 | — | 0.05% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2023-37450 not yet assigned priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 8, open 2. | https://security-tracker.debian.org/tracker/CVE-2023-37450 |
gentoo
|
high | CVE-2023-37450: 1 GLSA(s) (202401-04), 1 atom(s) (net-libs/webkit-gtk); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-37450 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2023-37450 |
suse
|
high | CVE-2023-37450 severity important: SUSE including 137 source package names (WebKitGTK-4.0-lang-2.40.5-150400.4.51.1, WebKitGTK-4.0-lang-2.42.5-150600.10.35, …), 350 product×package rows across 42 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7, … (42 product lines)): Fixed 350. | https://www.suse.com/security/cve/CVE-2023-37450/ |
ubuntu
|
medium | CVE-2023-37450 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 50 status rows across 10 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): ignored 23, DNE 19, needs-triage 3, released 3, not-affected 2. | https://ubuntu.com/security/CVE-2023-37450 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | safari | < 16.5.2 | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
| apple | ipados | < 16.6 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 16.6 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | >= 13.0, < 13.5 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | tvos | < 16.6 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | watchos | < 9.6 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| webkitgtk | webkitgtk\+ | < 2.42.3 | cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/202401-04 | Third Party Advisory |
| https://support.apple.com/en-us/HT213826 | Vendor Advisory |
| https://support.apple.com/en-us/HT213841 | Vendor Advisory |
| https://support.apple.com/en-us/HT213843 | Vendor Advisory |
| https://support.apple.com/en-us/HT213846 | Vendor Advisory |
| https://support.apple.com/en-us/HT213848 | Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-37450 | US Government Resource |