CVE-2024-23209: Apple macOS · Processing web content may lead to arbitrary code execution
Affects Apple macOSSource CVE Database V5
Not known to be exploited · CVSS 8.8 High · fixed in 14.3 : patch Apple macOS soon.
Data as of 26 Oct 2026, 15:59 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 23 Jan 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | Affected
| 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.