high Known exploitedREV. 01

CVE-2023-23529Apple WebKit — Type Confusion Code Execution

A type confusion flaw in WebKit means processing crafted web content may lead to arbitrary code execution on iOS, iPadOS, macOS and in Safari. Other products that rely on WebKit may also be affected.

YOUR NEXT MOVE

Update to iOS and iPadOS 15.7.4 or 16.3.1, macOS Ventura 13.2.1 or Safari 16.3.

Read the risk

THE VITAL STATS
CVSS score
8.8/ 10
CVSS v3.1
EPSS probability
9.4%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2023-02-27
Added to KEV
2023-02-14
CISA due date
2023-03-07
Exploit published
Not recorded
Confidence
high
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 needsA user must load maliciously crafted web content.

Fixed iniOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, Safari 16.3

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, published_at, referencesnvd.nist.gov2026-11-05scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_added, exploitation.kev_duecisa.gov2026-11-05scrty-crds-pipeline/0.1high
epssapi.first.org2026-11-05scrty-crds-pipeline/0.1high
title, subtitle, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-11-05claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

History unavailable — this build has no Git history for the card file.