high Known exploitedREV. 01

CVE-2023-32435Apple WebKit — memory corruption, code execution

Processing web content corrupts memory in WebKit and the attacker's code runs. Apple addressed it with better state management and reports attacks against builds released before iOS 15.7.

YOUR NEXT MOVE

Update to iOS and iPadOS 16.4 or 15.7.7, macOS Ventura 13.3 or Safari 16.4 — older builds are exactly what the reported attacks went after.

Read the risk

THE VITAL STATS
CVSS score
8.8/ 10
CVSS v3.1
EPSS probability
23%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2023-06-23
Added to KEV
2023-06-23
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 needsThe user must open attacker-controlled web content.

Fixed iniOS 16.4, iOS 15.7.7, macOS Ventura 13.3, Safari 16.4

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-2023-32435 · CRDS 0.1 · Issued 2026-09-24