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CVE-2023-32435VulnerabilityPublished Updated

CVE-2023-32435: Apple macOS · Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

Affects Apple macOSSource CVE Database V5

0

Exploited in the wild · KEV due 14 Jul 2023 · 22% EPSS · fixed in 16.4 : patch Apple macOS now.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
KEV deadline
 US federal agencies must patch by this date; a sensible deadline for everyone else.
EPSS
22.9% chance of exploitation in 30 days – higher than 97% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 16.4, 15.7, 13.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 23 Jun 2023

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: evidence found.

    Listed in CISA KEV the same day as disclosure

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by apple

    , 46 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. , the same day as disclosure

  4. KEV remediation due

    US federal deadline

    , 21 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Upgrade Apple macOS to 16.4, 15.7 or 13.3.

Affected software

ProductAffectedFixed in
Apple macOSAffected
  • <15.7
  • <13.3
  • <16.4
Fixed in
  • 15.7
  • 13.3
  • 16.4

Description

CVE-2023-32435 is a high-severity memory corruption vulnerability in Apple macOS and iOS that allows arbitrary code execution when processing web content. It affects versions of iOS prior to 15.7 and macOS versions before Ventura 13.3, as well as Safari 16.4 and related OS versions. The flaw arises from improper state management leading to memory corruption (CWE-787). Apple has released patches in macOS Ventura 13.3, iOS 16.4, iPadOS 16.4, and iOS/iPadOS 15.

References

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