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VulnerabilityPublished Updated

CVE-2024-23209: Apple macOS · Processing web content may lead to arbitrary code execution

Affects Apple macOSSource CVE Database V5

0

Not known to be exploited · CVSS 8.8 High · fixed in 14.3 : patch Apple macOS soon.

Data as of 26 Oct 2026, 11:42 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 14.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Jan 2024

  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: no evidence on record.

    Not in CISA KEV and no source reports exploitation

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

    No attack traffic recorded by OffSeq Mirage sensors

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

What to do

Affected software

ProductAffectedFixed in
Apple macOSAffected
  • =0
Fixed in–

AI-suggested

Apple has released an official fix for this vulnerability in macOS Sonoma 14.3. Users and administrators should apply this update promptly to remediate the issue. Since this is a client operating system vulnerability, no additional vendor-managed remediation applies. There are no vendor advisories indicating that no action is required or that the issue is already mitigated without patching. Patch status is confirmed as fixed in macOS Sonoma 14.3.

Description

CVE-2024-23209 is a high-severity vulnerability in Apple macOS Sonoma that involves processing web content, which may lead to arbitrary code execution. The issue was addressed by Apple through improved memory handling and is fixed in macOS Sonoma 14.3. This vulnerability allows an attacker to potentially execute arbitrary code, posing a significant risk to system security. The fix is officially available as part of the macOS Sonoma 14.3 update released on January 22, 2024.

References

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