high Known exploitedREV. 01

CVE-2023-32434Apple — an app reaching kernel privileges

An integer overflow lets an app execute code with kernel privileges on an Apple device. Apple closed it with stricter input validation and reports attacks against builds released before iOS 15.7.

YOUR NEXT MOVE

Update to iOS and iPadOS 16.5.1 or 15.7.7, macOS Ventura 13.4.1, Monterey 12.6.7 or Big Sur 11.7.8, plus watchOS 9.5.2 or 8.8.1.

Read the risk

THE VITAL STATS
CVSS score
7.8/ 10
CVSS v3.1
EPSS probability
52%
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
medium
Kill chain
privilege escalation
MITRE ATT&CK
T1068
Severity
high

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

Attacker needsThe attacker must get an app onto the device.

Fixed iniOS 16.5.1, iOS 15.7.7, macOS Ventura 13.4.1, macOS Monterey 12.6.7, macOS Big Sur 11.7.8

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-2023-32434 · CRDS 0.1 · Issued 2026-09-24