high Known exploitedREV. 01

CVE-2023-37450Apple WebKit — code execution from a page

Processing web content runs the attacker's code. Apple closed it with stricter checks across iOS 16.6, Safari 16.5.2, macOS Ventura 13.5 and the matching tvOS and watchOS builds, and reports active exploitation.

YOUR NEXT MOVE

Update to iOS and iPadOS 16.6, Safari 16.5.2, macOS Ventura 13.5, tvOS 16.6 or watchOS 9.6, whichever applies to the device.

Read the risk

THE VITAL STATS
CVSS score
8.8/ 10
CVSS v3.1
EPSS probability
19%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2023-07-27
Added to KEV
2023-07-13
Exploit published
Not recorded
Confidence
medium
Kill chain
execution
MITRE ATT&CK
T1203
Severity
high

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

Attacker needsThe user must open attacker-controlled web content.

Fixed iniOS 16.6, Safari 16.5.2, macOS Ventura 13.5, tvOS 16.6, watchOS 9.6

Behind the card

5 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-09-24scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-09-24scrty-crds-pipeline/0.1high
epssapi.first.org2026-09-24scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-09-24claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2023-37450 · CRDS 0.1 · Issued 2026-09-24